TY  - JOUR
AU  - Dragović, Snežana
AU  - Smičiklas, Ivana
AU  - Jović, Mihajlo
AU  - Čupić, Aleksandar
AU  - Dragović, Ranko
AU  - Gajić, Boško
AU  - Onjia, Antonije
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6419
AB  - Despite presenting a practical approach for the characterization of the environmental risk of potentially toxic elements (PTEs) derived from steel production facilities, the analysis of the spatial distribution of bioavailable PTEs concentrations in the soil is frequently overlooked in the management of polluted sites. In this study, the diethylenetriaminepentaacetic acid (DTPA)-extractable forms of PTEs were investigated in soils surrounding the largest Serbian steel production plant. The correlation and geostatistical analysis indicated their pronounced variability suggesting the anthropogenic origin of most investigated elements, apparently from the steel production facility. The detailed visualization of variables and observations derived by self-organizing maps (SOMs) revealed the homologies in PTEs’ distribution patterns, implying the common origin of some elements. These observations were confirmed by principal component analysis (PCA) and positive matrix factorization (PMF). The аpplied approach supports a comprehensive assessment of contaminated sites' ecological and health risks and provides a basis for soil remediation.
PB  - Elsevier Ltd
T2  - Heliyon
T1  - Spatial distribution and source apportionment of DTPA-extractable metals in soils surrounding the largest Serbian steel production plant
IS  - 5
SP  - e16307
VL  - 9
DO  - 10.1016/j.heliyon.2023.e16307
ER  - 

@article{
author = "Dragović, Snežana and Smičiklas, Ivana and Jović, Mihajlo and Čupić, Aleksandar and Dragović, Ranko and Gajić, Boško and Onjia, Antonije",
year = "2023",
abstract = "Despite presenting a practical approach for the characterization of the environmental risk of potentially toxic elements (PTEs) derived from steel production facilities, the analysis of the spatial distribution of bioavailable PTEs concentrations in the soil is frequently overlooked in the management of polluted sites. In this study, the diethylenetriaminepentaacetic acid (DTPA)-extractable forms of PTEs were investigated in soils surrounding the largest Serbian steel production plant. The correlation and geostatistical analysis indicated their pronounced variability suggesting the anthropogenic origin of most investigated elements, apparently from the steel production facility. The detailed visualization of variables and observations derived by self-organizing maps (SOMs) revealed the homologies in PTEs’ distribution patterns, implying the common origin of some elements. These observations were confirmed by principal component analysis (PCA) and positive matrix factorization (PMF). The аpplied approach supports a comprehensive assessment of contaminated sites' ecological and health risks and provides a basis for soil remediation.",
publisher = "Elsevier Ltd",
journal = "Heliyon",
title = "Spatial distribution and source apportionment of DTPA-extractable metals in soils surrounding the largest Serbian steel production plant",
number = "5",
pages = "e16307",
volume = "9",
doi = "10.1016/j.heliyon.2023.e16307"
}

Dragović, S., Smičiklas, I., Jović, M., Čupić, A., Dragović, R., Gajić, B.,& Onjia, A.. (2023). Spatial distribution and source apportionment of DTPA-extractable metals in soils surrounding the largest Serbian steel production plant. in Heliyon
Elsevier Ltd., 9(5), e16307.
https://doi.org/10.1016/j.heliyon.2023.e16307

Dragović S, Smičiklas I, Jović M, Čupić A, Dragović R, Gajić B, Onjia A. Spatial distribution and source apportionment of DTPA-extractable metals in soils surrounding the largest Serbian steel production plant. in Heliyon. 2023;9(5):e16307.
doi:10.1016/j.heliyon.2023.e16307 .

Dragović, Snežana, Smičiklas, Ivana, Jović, Mihajlo, Čupić, Aleksandar, Dragović, Ranko, Gajić, Boško, Onjia, Antonije, "Spatial distribution and source apportionment of DTPA-extractable metals in soils surrounding the largest Serbian steel production plant" in Heliyon, 9, no. 5 (2023):e16307,
https://doi.org/10.1016/j.heliyon.2023.e16307 . .

TY  - JOUR
AU  - Janković, Bojan
AU  - Smičiklas, Ivana D.
AU  - Manić, Nebojša
AU  - Mraković, Ana
AU  - Mandić, Milica
AU  - Veljović, Đorđe
AU  - Jović, Mihajlo
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4469
AB  - Thermo-oxidative degradation of mollusk shells to CaO through intermediate phase of CaCO3 has been investigated using various analytical techniques. Powders of shells species (Dosinia exoleta and Ostrea edulis), with particle size fractions of 0.045 - 0.125 mm, 0.125-0.2 mm, and 0.2-1 mm, were subjected to degradation at the various heating rates (5, 10, 15 and 20 degrees C min(-1)). Degradation pathway of this carbonate-rich waste material has not yet been analyzed in detail at particulate level. Understanding transformation process in air should lead to control over yield and morphology of final product. Thermogravimetric analysis (TGA) and X-ray diffraction (XRD) techniques were used to benchmark transformation steps at different heating rates and final decarbonation temperatures, while scanning electron microscope (SEM) was used to analyze the effect of temperature on evolution of morphological changes for particles of different fractions. It was found that sintering in the presence of carbon dioxide (CO2) could be triggered by agglomeration of CaO crystals, enhanced by CO2 adsorption that increases surface energy.
PB  - Elsevier, Amsterdam
T2  - Thermochimica Acta
T1  - Thermo-oxidative evolution and physico-chemical characterization of seashell waste for application in commercial sectors
VL  - 686
DO  - 10.1016/j.tca.2020.178568
ER  - 

@article{
author = "Janković, Bojan and Smičiklas, Ivana D. and Manić, Nebojša and Mraković, Ana and Mandić, Milica and Veljović, Đorđe and Jović, Mihajlo",
year = "2020",
abstract = "Thermo-oxidative degradation of mollusk shells to CaO through intermediate phase of CaCO3 has been investigated using various analytical techniques. Powders of shells species (Dosinia exoleta and Ostrea edulis), with particle size fractions of 0.045 - 0.125 mm, 0.125-0.2 mm, and 0.2-1 mm, were subjected to degradation at the various heating rates (5, 10, 15 and 20 degrees C min(-1)). Degradation pathway of this carbonate-rich waste material has not yet been analyzed in detail at particulate level. Understanding transformation process in air should lead to control over yield and morphology of final product. Thermogravimetric analysis (TGA) and X-ray diffraction (XRD) techniques were used to benchmark transformation steps at different heating rates and final decarbonation temperatures, while scanning electron microscope (SEM) was used to analyze the effect of temperature on evolution of morphological changes for particles of different fractions. It was found that sintering in the presence of carbon dioxide (CO2) could be triggered by agglomeration of CaO crystals, enhanced by CO2 adsorption that increases surface energy.",
publisher = "Elsevier, Amsterdam",
journal = "Thermochimica Acta",
title = "Thermo-oxidative evolution and physico-chemical characterization of seashell waste for application in commercial sectors",
volume = "686",
doi = "10.1016/j.tca.2020.178568"
}

Janković, B., Smičiklas, I. D., Manić, N., Mraković, A., Mandić, M., Veljović, Đ.,& Jović, M.. (2020). Thermo-oxidative evolution and physico-chemical characterization of seashell waste for application in commercial sectors. in Thermochimica Acta
Elsevier, Amsterdam., 686.
https://doi.org/10.1016/j.tca.2020.178568

Janković B, Smičiklas ID, Manić N, Mraković A, Mandić M, Veljović Đ, Jović M. Thermo-oxidative evolution and physico-chemical characterization of seashell waste for application in commercial sectors. in Thermochimica Acta. 2020;686.
doi:10.1016/j.tca.2020.178568 .

Janković, Bojan, Smičiklas, Ivana D., Manić, Nebojša, Mraković, Ana, Mandić, Milica, Veljović, Đorđe, Jović, Mihajlo, "Thermo-oxidative evolution and physico-chemical characterization of seashell waste for application in commercial sectors" in Thermochimica Acta, 686 (2020),
https://doi.org/10.1016/j.tca.2020.178568 . .

TY  - JOUR
AU  - Marković, Jelena P.
AU  - Jović, Mihajlo D.
AU  - Smičiklas, Ivana D.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Onjia, Antonije
AU  - Trivunac, Katarina
AU  - Popović, Aleksandar R.
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4166
AB  - As soil cadmium (Cd) contamination becomes a serious concern and one of the significant environmental pollution issues all over the world, knowledge of the basic chemistry, origin, inputs, sources, quantity, chemical forms, reactions, as well as the fate and transport of Cd in different types of soil is crucial for better understanding Cd bioavailability, health risks and remedial options. This study aimed to increase the current knowledge on the complex interdependence between the factors affecting behavior, transport and fate of Cd in the soil and to test and compare the performance of the stabilization agents in different soil types. Soils demonstrated various sorption affinity and capacity for Cd accumulation, which proved to be positively correlated with soil pH and the cation exchange capacity (CEC). With increasing levels of contamination, sequential extraction analysis showed the highest increase of relative Cd amounts in the exchangeable fraction regardless of the soil properties, suggesting that added Cd is principally associated with the easily accessible and mobile fraction. For different initial Cd concentrations and soil types, Cd sorption reached the quasi-equilibrium within 24 h of contact. Prolonged aging (two months) influenced the natural stabilization of Cd in all types of soil, but only at low contamination level. The application of both, conventional (slaked lime Ca(OH)(2)) and alternative phosphate-rich (annealed bovine bones B-400) amendments, resulted in Cd relocation and reduction of exchangeable Cd content. Although the effect was smaller when apatite amendment was utilized, observed redistribution of Cd to more stable soil fractions is preferable for achieving long-term stabilization. Cd concentrations extracted in exchangeable and acid soluble fractions after the treatments of contaminated soil samples suggest that the practical applicability of in situ immobilization depends on the soil properties and the level of contamination, as well as that effect, should be monitored for the possible re-mobilization of Cd.
PB  - Academic Press Inc Elsevier Science, San Diego
T2  - Ecotoxicology and Environmental Safety
T1  - Cadmium retention and distribution in contaminated soil: effects and interactions of soil properties, contamination level, aging time and in situ immobilization agents
EP  - 314
SP  - 305
VL  - 174
DO  - 10.1016/j.ecoenv.2019.03.001
ER  - 

@article{
author = "Marković, Jelena P. and Jović, Mihajlo D. and Smičiklas, Ivana D. and Šljivić-Ivanović, Marija Z. and Onjia, Antonije and Trivunac, Katarina and Popović, Aleksandar R.",
year = "2019",
abstract = "As soil cadmium (Cd) contamination becomes a serious concern and one of the significant environmental pollution issues all over the world, knowledge of the basic chemistry, origin, inputs, sources, quantity, chemical forms, reactions, as well as the fate and transport of Cd in different types of soil is crucial for better understanding Cd bioavailability, health risks and remedial options. This study aimed to increase the current knowledge on the complex interdependence between the factors affecting behavior, transport and fate of Cd in the soil and to test and compare the performance of the stabilization agents in different soil types. Soils demonstrated various sorption affinity and capacity for Cd accumulation, which proved to be positively correlated with soil pH and the cation exchange capacity (CEC). With increasing levels of contamination, sequential extraction analysis showed the highest increase of relative Cd amounts in the exchangeable fraction regardless of the soil properties, suggesting that added Cd is principally associated with the easily accessible and mobile fraction. For different initial Cd concentrations and soil types, Cd sorption reached the quasi-equilibrium within 24 h of contact. Prolonged aging (two months) influenced the natural stabilization of Cd in all types of soil, but only at low contamination level. The application of both, conventional (slaked lime Ca(OH)(2)) and alternative phosphate-rich (annealed bovine bones B-400) amendments, resulted in Cd relocation and reduction of exchangeable Cd content. Although the effect was smaller when apatite amendment was utilized, observed redistribution of Cd to more stable soil fractions is preferable for achieving long-term stabilization. Cd concentrations extracted in exchangeable and acid soluble fractions after the treatments of contaminated soil samples suggest that the practical applicability of in situ immobilization depends on the soil properties and the level of contamination, as well as that effect, should be monitored for the possible re-mobilization of Cd.",
publisher = "Academic Press Inc Elsevier Science, San Diego",
journal = "Ecotoxicology and Environmental Safety",
title = "Cadmium retention and distribution in contaminated soil: effects and interactions of soil properties, contamination level, aging time and in situ immobilization agents",
pages = "314-305",
volume = "174",
doi = "10.1016/j.ecoenv.2019.03.001"
}

Marković, J. P., Jović, M. D., Smičiklas, I. D., Šljivić-Ivanović, M. Z., Onjia, A., Trivunac, K.,& Popović, A. R.. (2019). Cadmium retention and distribution in contaminated soil: effects and interactions of soil properties, contamination level, aging time and in situ immobilization agents. in Ecotoxicology and Environmental Safety
Academic Press Inc Elsevier Science, San Diego., 174, 305-314.
https://doi.org/10.1016/j.ecoenv.2019.03.001

Marković JP, Jović MD, Smičiklas ID, Šljivić-Ivanović MZ, Onjia A, Trivunac K, Popović AR. Cadmium retention and distribution in contaminated soil: effects and interactions of soil properties, contamination level, aging time and in situ immobilization agents. in Ecotoxicology and Environmental Safety. 2019;174:305-314.
doi:10.1016/j.ecoenv.2019.03.001 .

Marković, Jelena P., Jović, Mihajlo D., Smičiklas, Ivana D., Šljivić-Ivanović, Marija Z., Onjia, Antonije, Trivunac, Katarina, Popović, Aleksandar R., "Cadmium retention and distribution in contaminated soil: effects and interactions of soil properties, contamination level, aging time and in situ immobilization agents" in Ecotoxicology and Environmental Safety, 174 (2019):305-314,
https://doi.org/10.1016/j.ecoenv.2019.03.001 . .

TY  - JOUR
AU  - Marković, Jelena P.
AU  - Jović, Mihajlo D.
AU  - Smičiklas, Ivana D.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Smiljanić, Slavko N.
AU  - Onjia, Antonije
AU  - Popović, Aleksandar R.
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3958
AB  - The objective of the present study was to determine the impact of cadmium (Cd) concentration in the soil on its uptake by tobacco plants, and to compare the ability of diverse extraction procedures for determining Cd bioavailability and predicting soil-to-plant transfer and Cd plant concentrations. The pseudo-total digestion procedure, modified Tessier sequential extraction and six standard single-extraction tests for estimation of metal mobility and bioavailability were used for the leaching of Cd from a native soil, as well as samples artificially contaminated over a wide range of Cd concentrations. The results of various leaching tests were compared between each other, as well as with the amounts of Cd taken up by tobacco plants in pot experiments. In the native soil sample, most of the Cd was found in fractions not readily available under natural conditions, but with increasing pollution level, Cd amounts in readily available forms increased. With increasing concentrations of Cd in the soil, the quantity of pollutant taken up in tobacco also increased, while the transfer factor (TF) decreased. Linear and non-linear empirical models were developed for predicting the uptake of Cd by tobacco plants based on the results of selected leaching tests. The non-linear equations for ISO 14870 (diethylenetriaminepentaacetic acid extraction - DTPA), ISO/TS 21268-2 (CaCl2 leaching procedure), US EPA 1311 (toxicity characteristic leaching procedure - TCLP) single step extractions, and the sum of the first two fractions of the sequential extraction, exhibited the best correlation with the experimentally determined concentrations of Cd in plants over the entire range of pollutant concentrations. This approach can improve and facilitate the assessment of human exposure to Cd by tobacco smoking, but may also have wider applicability in predicting soil-to-plant transfer.
PB  - Taylor & Francis Inc, Philadelphia
T2  - Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine
T1  - Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests
EP  - 361
IS  - 4
SP  - 352
VL  - 53
DO  - 10.1080/10934529.2017.1401396
ER  - 

@article{
author = "Marković, Jelena P. and Jović, Mihajlo D. and Smičiklas, Ivana D. and Šljivić-Ivanović, Marija Z. and Smiljanić, Slavko N. and Onjia, Antonije and Popović, Aleksandar R.",
year = "2018",
abstract = "The objective of the present study was to determine the impact of cadmium (Cd) concentration in the soil on its uptake by tobacco plants, and to compare the ability of diverse extraction procedures for determining Cd bioavailability and predicting soil-to-plant transfer and Cd plant concentrations. The pseudo-total digestion procedure, modified Tessier sequential extraction and six standard single-extraction tests for estimation of metal mobility and bioavailability were used for the leaching of Cd from a native soil, as well as samples artificially contaminated over a wide range of Cd concentrations. The results of various leaching tests were compared between each other, as well as with the amounts of Cd taken up by tobacco plants in pot experiments. In the native soil sample, most of the Cd was found in fractions not readily available under natural conditions, but with increasing pollution level, Cd amounts in readily available forms increased. With increasing concentrations of Cd in the soil, the quantity of pollutant taken up in tobacco also increased, while the transfer factor (TF) decreased. Linear and non-linear empirical models were developed for predicting the uptake of Cd by tobacco plants based on the results of selected leaching tests. The non-linear equations for ISO 14870 (diethylenetriaminepentaacetic acid extraction - DTPA), ISO/TS 21268-2 (CaCl2 leaching procedure), US EPA 1311 (toxicity characteristic leaching procedure - TCLP) single step extractions, and the sum of the first two fractions of the sequential extraction, exhibited the best correlation with the experimentally determined concentrations of Cd in plants over the entire range of pollutant concentrations. This approach can improve and facilitate the assessment of human exposure to Cd by tobacco smoking, but may also have wider applicability in predicting soil-to-plant transfer.",
publisher = "Taylor & Francis Inc, Philadelphia",
journal = "Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine",
title = "Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests",
pages = "361-352",
number = "4",
volume = "53",
doi = "10.1080/10934529.2017.1401396"
}

Marković, J. P., Jović, M. D., Smičiklas, I. D., Šljivić-Ivanović, M. Z., Smiljanić, S. N., Onjia, A.,& Popović, A. R.. (2018). Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests. in Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine
Taylor & Francis Inc, Philadelphia., 53(4), 352-361.
https://doi.org/10.1080/10934529.2017.1401396

Marković JP, Jović MD, Smičiklas ID, Šljivić-Ivanović MZ, Smiljanić SN, Onjia A, Popović AR. Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests. in Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine. 2018;53(4):352-361.
doi:10.1080/10934529.2017.1401396 .

Marković, Jelena P., Jović, Mihajlo D., Smičiklas, Ivana D., Šljivić-Ivanović, Marija Z., Smiljanić, Slavko N., Onjia, Antonije, Popović, Aleksandar R., "Estimation of Cadmium uptake by tobacco plants from laboratory leaching tests" in Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engine, 53, no. 4 (2018):352-361,
https://doi.org/10.1080/10934529.2017.1401396 . .

TY  - JOUR
AU  - Egerić, Marija
AU  - Smičiklas, Ivana D.
AU  - Mraković, Ana
AU  - Jović, Mihajlo D.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Antanasijević, Davor
AU  - Ristić, Mirjana
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4029
AB  - BACKGROUNDSeashell waste (SW) is rich in biogenic calcium carbonate and potentially can substitute geological sources in various applications, such as the separation of heavy metals and radionuclides from contaminated solutions. This study aims to compare SW sorption efficiency towards different chemical species (Cu2+, Zn2+, Pb2+ and Sr2+) and to evaluate the effects of various factors based on the experimental data and modeling approach. RESULTSThe reaction of SW with aqueous metal solutions is a combination of several processes that result in metal retention, Ca2+ release, and changes in pH. SW demonstrates variable selectivity for investigated cations, depending on their concentrations and reaction times. Maximum sorption capacities declined in the order Zn2+  gt  Pb2+ approximate to Sr2+  gt  Cu2+. The model based on general regression neural network (GRNN) architecture was developed, which enabled prediction of removal efficiency taking into account the process specific, metal specific parameters and their non-linear interactions. Initial concentration and covalent radius of a cation exhibit the highest, while the initial pH the lowest significance. CONCLUSIONEcological problems caused by SW accumulation in coastal areas could be mitigated by mastering technologies for their practical utilization. The results obtained facilitate the understanding of cationic pollutants removal by SW in the range of experimental conditions, while the GRNN approach demonstrates advantages in modeling complex sorption processes.
PB  - Wiley, Hoboken
T2  - Journal of Chemical Technology and Biotechnology
T1  - Experimental and theoretical consideration of the factors influencing cationic pollutants retention by seashell waste
EP  - 1487
IS  - 5
SP  - 1477
VL  - 93
DO  - 10.1002/jctb.5516
ER  - 

@article{
author = "Egerić, Marija and Smičiklas, Ivana D. and Mraković, Ana and Jović, Mihajlo D. and Šljivić-Ivanović, Marija Z. and Antanasijević, Davor and Ristić, Mirjana",
year = "2018",
abstract = "BACKGROUNDSeashell waste (SW) is rich in biogenic calcium carbonate and potentially can substitute geological sources in various applications, such as the separation of heavy metals and radionuclides from contaminated solutions. This study aims to compare SW sorption efficiency towards different chemical species (Cu2+, Zn2+, Pb2+ and Sr2+) and to evaluate the effects of various factors based on the experimental data and modeling approach. RESULTSThe reaction of SW with aqueous metal solutions is a combination of several processes that result in metal retention, Ca2+ release, and changes in pH. SW demonstrates variable selectivity for investigated cations, depending on their concentrations and reaction times. Maximum sorption capacities declined in the order Zn2+  gt  Pb2+ approximate to Sr2+  gt  Cu2+. The model based on general regression neural network (GRNN) architecture was developed, which enabled prediction of removal efficiency taking into account the process specific, metal specific parameters and their non-linear interactions. Initial concentration and covalent radius of a cation exhibit the highest, while the initial pH the lowest significance. CONCLUSIONEcological problems caused by SW accumulation in coastal areas could be mitigated by mastering technologies for their practical utilization. The results obtained facilitate the understanding of cationic pollutants removal by SW in the range of experimental conditions, while the GRNN approach demonstrates advantages in modeling complex sorption processes.",
publisher = "Wiley, Hoboken",
journal = "Journal of Chemical Technology and Biotechnology",
title = "Experimental and theoretical consideration of the factors influencing cationic pollutants retention by seashell waste",
pages = "1487-1477",
number = "5",
volume = "93",
doi = "10.1002/jctb.5516"
}

Egerić, M., Smičiklas, I. D., Mraković, A., Jović, M. D., Šljivić-Ivanović, M. Z., Antanasijević, D.,& Ristić, M.. (2018). Experimental and theoretical consideration of the factors influencing cationic pollutants retention by seashell waste. in Journal of Chemical Technology and Biotechnology
Wiley, Hoboken., 93(5), 1477-1487.
https://doi.org/10.1002/jctb.5516

Egerić M, Smičiklas ID, Mraković A, Jović MD, Šljivić-Ivanović MZ, Antanasijević D, Ristić M. Experimental and theoretical consideration of the factors influencing cationic pollutants retention by seashell waste. in Journal of Chemical Technology and Biotechnology. 2018;93(5):1477-1487.
doi:10.1002/jctb.5516 .

Egerić, Marija, Smičiklas, Ivana D., Mraković, Ana, Jović, Mihajlo D., Šljivić-Ivanović, Marija Z., Antanasijević, Davor, Ristić, Mirjana, "Experimental and theoretical consideration of the factors influencing cationic pollutants retention by seashell waste" in Journal of Chemical Technology and Biotechnology, 93, no. 5 (2018):1477-1487,
https://doi.org/10.1002/jctb.5516 . .

TY  - JOUR
AU  - Egerić, Marija
AU  - Smičiklas, Ivana D.
AU  - Mraković, Ana
AU  - Jović, Mihajlo D.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Sokolović, Jovica
AU  - Ristić, Mirjana
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3943
AB  - The limestone and lime are agents widely used for separation of toxic metals from contaminated water. To reduce the exploitation of natural limestone deposits, appropriate replacements are sought out among the waste materials and by-products. Seashells, accumulated as an abundant waste in coastal areas, have high content of calcium carbonate and so far have shown high efficiency in neutralization and metal immobilization processes. In this study, the removal of Cu(II) ions was investigated using grounded seashell waste (a) without any pretreatment and (b) exposed to temperature treatment in the range 300-900 degrees C. The influence of temperature on the mineral phase transformation, solution pH and the removal efficiency of Cu(II) ions was monitored. Treatments at T  gt  500 degrees C exhibit positive effect on Cu(II) separation, with the samples partially or completely converted to calcium oxide being the most effective in the entire Cu(II) concentration range (6.34-639 mg/L). The efficiency of Cu(II) removal was largely associated with the effect on solution pH. The two level full factorial design was used to evaluate the significance of seashell composition (calcium carbonate vs. calcium oxide), granulation, dose and contact time, on the separation of Cu(II) and other cationic pollutants (Fe, Zn, Ni and Pb) from wastewater. The seashell dose and granulation, as well as their interaction, were generally the most influential factors. The variations in the levels of investigated factors had a substantial effect on the process through the indirect effect onto the solution pH. More than 99% of Cu(II) ions were separated at pH  gt  7, while the final pH range 8.2-12.2 was found optimal for total metal separation (97.6-98.9%).
PB  - Desalination Publ, Hopkinton
T2  - Desalination and Water Treatment
T1  - Separation of Cu(II) ions from synthetic solutions and wastewater by raw and calcined seashell waste
EP  - 214
SP  - 205
VL  - 132
DO  - 10.5004/dwt.2018.23131
ER  - 

@article{
author = "Egerić, Marija and Smičiklas, Ivana D. and Mraković, Ana and Jović, Mihajlo D. and Šljivić-Ivanović, Marija Z. and Sokolović, Jovica and Ristić, Mirjana",
year = "2018",
abstract = "The limestone and lime are agents widely used for separation of toxic metals from contaminated water. To reduce the exploitation of natural limestone deposits, appropriate replacements are sought out among the waste materials and by-products. Seashells, accumulated as an abundant waste in coastal areas, have high content of calcium carbonate and so far have shown high efficiency in neutralization and metal immobilization processes. In this study, the removal of Cu(II) ions was investigated using grounded seashell waste (a) without any pretreatment and (b) exposed to temperature treatment in the range 300-900 degrees C. The influence of temperature on the mineral phase transformation, solution pH and the removal efficiency of Cu(II) ions was monitored. Treatments at T  gt  500 degrees C exhibit positive effect on Cu(II) separation, with the samples partially or completely converted to calcium oxide being the most effective in the entire Cu(II) concentration range (6.34-639 mg/L). The efficiency of Cu(II) removal was largely associated with the effect on solution pH. The two level full factorial design was used to evaluate the significance of seashell composition (calcium carbonate vs. calcium oxide), granulation, dose and contact time, on the separation of Cu(II) and other cationic pollutants (Fe, Zn, Ni and Pb) from wastewater. The seashell dose and granulation, as well as their interaction, were generally the most influential factors. The variations in the levels of investigated factors had a substantial effect on the process through the indirect effect onto the solution pH. More than 99% of Cu(II) ions were separated at pH  gt  7, while the final pH range 8.2-12.2 was found optimal for total metal separation (97.6-98.9%).",
publisher = "Desalination Publ, Hopkinton",
journal = "Desalination and Water Treatment",
title = "Separation of Cu(II) ions from synthetic solutions and wastewater by raw and calcined seashell waste",
pages = "214-205",
volume = "132",
doi = "10.5004/dwt.2018.23131"
}

Egerić, M., Smičiklas, I. D., Mraković, A., Jović, M. D., Šljivić-Ivanović, M. Z., Sokolović, J.,& Ristić, M.. (2018). Separation of Cu(II) ions from synthetic solutions and wastewater by raw and calcined seashell waste. in Desalination and Water Treatment
Desalination Publ, Hopkinton., 132, 205-214.
https://doi.org/10.5004/dwt.2018.23131

Egerić M, Smičiklas ID, Mraković A, Jović MD, Šljivić-Ivanović MZ, Sokolović J, Ristić M. Separation of Cu(II) ions from synthetic solutions and wastewater by raw and calcined seashell waste. in Desalination and Water Treatment. 2018;132:205-214.
doi:10.5004/dwt.2018.23131 .

Egerić, Marija, Smičiklas, Ivana D., Mraković, Ana, Jović, Mihajlo D., Šljivić-Ivanović, Marija Z., Sokolović, Jovica, Ristić, Mirjana, "Separation of Cu(II) ions from synthetic solutions and wastewater by raw and calcined seashell waste" in Desalination and Water Treatment, 132 (2018):205-214,
https://doi.org/10.5004/dwt.2018.23131 . .

TY  - JOUR
AU  - Šljivić-Ivanović, Marija Z.
AU  - Smičiklas, Ivana D.
AU  - Jović, Mihajlo D.
AU  - Dimović, Slavko
AU  - Onjia, Antonije
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3925
AB  - The use of soil additives for toxic metals chemical stabilization aims to decrease in situ the pollutants' mobility and availability. In this study, the effectiveness of rinsed red mud (RBRM) and annealed animal bones (B400) was compared in terms of Cu, Pb and Ni stabilization in two contaminated soils with contrasting properties Dystric Cambisol (CM dy) and Rendzic Leptosol (LP rz). The mobility of metals in unamended soil samples (control) and samples amended with 1% and 5% of selected additives were compared using sequential extraction protocol. The relative content of metals in readily and potentially available fractions was higher in CM dy (62% Pb, 13% Cu, and 31% Ni in exchangeable fraction) than in LP rz ( lt  5% of Pb, Cu, Ni in exchangeable fraction). In CM dy, both additives have caused a decrease in metal mobility with an increase of their doses. The effect of 5% sorbent addition was most pronounced related to Pb immobilization, provoking decrease of exchangeable Pb content to  lt  10%. Furthermore, B400 addition has redistributed investigated metals from the exchangeable to the residual phase more effectively than RBRM, and its effect on metal mobility decreased in the order Pb  gt  Cu  gt  Ni. Amending of LP rz soil had limited effects with no apparent decrease in exchangeable metal content. The effects of soil type variation, the type of additive and the additive dose onto metal mobility were compared according to ANOVA results. The content of readily and potentially available forms of metals was found to be (i) significantly correlated with all investigated variables for Pb, (ii) significantly correlated with soil type for Cu, and (iii) not in significant correlation with selected variables for Ni. Complex impacts of soil properties and treatment conditions on the mobility of co-contaminants emphasize the need for an individual approach to each case of contamination.
PB  - Springer International Publishing Ag, Cham
T2  - Water Air and Soil Pollution
T1  - Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil
IS  - 10
VL  - 229
DO  - 10.1007/s11270-018-3981-0
ER  - 

@article{
author = "Šljivić-Ivanović, Marija Z. and Smičiklas, Ivana D. and Jović, Mihajlo D. and Dimović, Slavko and Onjia, Antonije",
year = "2018",
abstract = "The use of soil additives for toxic metals chemical stabilization aims to decrease in situ the pollutants' mobility and availability. In this study, the effectiveness of rinsed red mud (RBRM) and annealed animal bones (B400) was compared in terms of Cu, Pb and Ni stabilization in two contaminated soils with contrasting properties Dystric Cambisol (CM dy) and Rendzic Leptosol (LP rz). The mobility of metals in unamended soil samples (control) and samples amended with 1% and 5% of selected additives were compared using sequential extraction protocol. The relative content of metals in readily and potentially available fractions was higher in CM dy (62% Pb, 13% Cu, and 31% Ni in exchangeable fraction) than in LP rz ( lt  5% of Pb, Cu, Ni in exchangeable fraction). In CM dy, both additives have caused a decrease in metal mobility with an increase of their doses. The effect of 5% sorbent addition was most pronounced related to Pb immobilization, provoking decrease of exchangeable Pb content to  lt  10%. Furthermore, B400 addition has redistributed investigated metals from the exchangeable to the residual phase more effectively than RBRM, and its effect on metal mobility decreased in the order Pb  gt  Cu  gt  Ni. Amending of LP rz soil had limited effects with no apparent decrease in exchangeable metal content. The effects of soil type variation, the type of additive and the additive dose onto metal mobility were compared according to ANOVA results. The content of readily and potentially available forms of metals was found to be (i) significantly correlated with all investigated variables for Pb, (ii) significantly correlated with soil type for Cu, and (iii) not in significant correlation with selected variables for Ni. Complex impacts of soil properties and treatment conditions on the mobility of co-contaminants emphasize the need for an individual approach to each case of contamination.",
publisher = "Springer International Publishing Ag, Cham",
journal = "Water Air and Soil Pollution",
title = "Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil",
number = "10",
volume = "229",
doi = "10.1007/s11270-018-3981-0"
}

Šljivić-Ivanović, M. Z., Smičiklas, I. D., Jović, M. D., Dimović, S.,& Onjia, A.. (2018). Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil. in Water Air and Soil Pollution
Springer International Publishing Ag, Cham., 229(10).
https://doi.org/10.1007/s11270-018-3981-0

Šljivić-Ivanović MZ, Smičiklas ID, Jović MD, Dimović S, Onjia A. Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil. in Water Air and Soil Pollution. 2018;229(10).
doi:10.1007/s11270-018-3981-0 .

Šljivić-Ivanović, Marija Z., Smičiklas, Ivana D., Jović, Mihajlo D., Dimović, Slavko, Onjia, Antonije, "Amendment Type and Dose Effects onto Coexisting Copper, Lead, and Nickel Ions Distribution in Soil" in Water Air and Soil Pollution, 229, no. 10 (2018),
https://doi.org/10.1007/s11270-018-3981-0 . .

TY  - JOUR
AU  - Marković, Jelena P.
AU  - Jović, Mihajlo D.
AU  - Smičiklas, Ivana D.
AU  - Pezo, Lato
AU  - Šljivić-Ivanović, Marija Z.
AU  - Onjia, Antonije
AU  - Popović, Aleksandar R.
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3261
AB  - The distribution of elements in soil fractions affects their mobility and availability and thus their potential beneficial or harmful impact on ecosystems, biota and humans. Different mineralogical and chemical characteristics of soil influence elemental distribution. In the present study, chemical speciation of macro and micro elements (Al, Fe, Mn, K, Cd, Cr, Cu, Li, Ba, Ni, Pb and Zn) in unpolluted soils of different types, collected from the territory of the Republic of Serbia, were analysed by sequential extraction procedure. The impact of the physicochemical soil properties on the content, distribution, mobility and availability of elements was investigated. Principal component analysis was employed for the evaluation and characterization of the experimental data, understanding of the relationships between soil properties and the distribution, affiliation and connection of the elements. Finally, an artificial neural network (ANN) model was developed to explore the applicability of this approach for the prediction of the elemental distribution based on soil properties. Good agreement between the model and the experimental results implied that the ANN could be considered as a useful tool for control and prediction purposes.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Geochemical Exploration
T1  - Chemical speciation of metals in unpolluted soils of different types: Correlation with soil characteristics and an ANN modelling approach
EP  - 80
SP  - 71
VL  - 165
DO  - 10.1016/j.gexplo.2016.03.004
ER  - 

@article{
author = "Marković, Jelena P. and Jović, Mihajlo D. and Smičiklas, Ivana D. and Pezo, Lato and Šljivić-Ivanović, Marija Z. and Onjia, Antonije and Popović, Aleksandar R.",
year = "2016",
abstract = "The distribution of elements in soil fractions affects their mobility and availability and thus their potential beneficial or harmful impact on ecosystems, biota and humans. Different mineralogical and chemical characteristics of soil influence elemental distribution. In the present study, chemical speciation of macro and micro elements (Al, Fe, Mn, K, Cd, Cr, Cu, Li, Ba, Ni, Pb and Zn) in unpolluted soils of different types, collected from the territory of the Republic of Serbia, were analysed by sequential extraction procedure. The impact of the physicochemical soil properties on the content, distribution, mobility and availability of elements was investigated. Principal component analysis was employed for the evaluation and characterization of the experimental data, understanding of the relationships between soil properties and the distribution, affiliation and connection of the elements. Finally, an artificial neural network (ANN) model was developed to explore the applicability of this approach for the prediction of the elemental distribution based on soil properties. Good agreement between the model and the experimental results implied that the ANN could be considered as a useful tool for control and prediction purposes.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Geochemical Exploration",
title = "Chemical speciation of metals in unpolluted soils of different types: Correlation with soil characteristics and an ANN modelling approach",
pages = "80-71",
volume = "165",
doi = "10.1016/j.gexplo.2016.03.004"
}

Marković, J. P., Jović, M. D., Smičiklas, I. D., Pezo, L., Šljivić-Ivanović, M. Z., Onjia, A.,& Popović, A. R.. (2016). Chemical speciation of metals in unpolluted soils of different types: Correlation with soil characteristics and an ANN modelling approach. in Journal of Geochemical Exploration
Elsevier Science Bv, Amsterdam., 165, 71-80.
https://doi.org/10.1016/j.gexplo.2016.03.004

Marković JP, Jović MD, Smičiklas ID, Pezo L, Šljivić-Ivanović MZ, Onjia A, Popović AR. Chemical speciation of metals in unpolluted soils of different types: Correlation with soil characteristics and an ANN modelling approach. in Journal of Geochemical Exploration. 2016;165:71-80.
doi:10.1016/j.gexplo.2016.03.004 .

Marković, Jelena P., Jović, Mihajlo D., Smičiklas, Ivana D., Pezo, Lato, Šljivić-Ivanović, Marija Z., Onjia, Antonije, Popović, Aleksandar R., "Chemical speciation of metals in unpolluted soils of different types: Correlation with soil characteristics and an ANN modelling approach" in Journal of Geochemical Exploration, 165 (2016):71-80,
https://doi.org/10.1016/j.gexplo.2016.03.004 . .

TY  - JOUR
AU  - Milenković, A.
AU  - Smičiklas, Ivana D.
AU  - Bundaleski, Nenad
AU  - Teodoro, Orlando M. N. D.
AU  - Veljović, Đorđe
AU  - Vukelić, Nikola
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3339
AB  - A range of industrial by-products are currently under the consideration as cost-effective alternatives to conventional sorbent materials for environmental clean-up and remediation applications. Bauxite residue (red mud) has demonstrated exceptionally high potential for the immobilization of cationic pollutants. Due to heterogeneity of such material, determination of the role of individual mineral phases in the overall sorption mechanism is a challenging task. To enlighten the mechanism of Co(II) sorption by mineral assemblage of the red mud, sequential extraction analysis of Co-loaded sample was combined with the microscopic and spectroscopic studies performed by Scanning Field Emission Electron Microscope (FE-SEM), Energy Dispersive Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS). Sorbed Co(II) ions were found associated with operationally defined Fe,Mn-oxide and carbonate/acid soluble fractions. Binding of Co(II) by the red mud was achieved primarily by means of chemisorption/surface precipitation on Fe- and Ti-oxides. In coexistence with these highly selective surfaces, gibbsite and silica appeared to be low affinity sites for Co(II). Incongruent dissolution of sodalite phase was detected, indicating that its function was not to ensure sorption centers, but to increase the solution pH creating favorable environment for Co(II) binding by Fe- and Ti-oxides. The results demonstrate high stability of sorbed Co(II) and synergistic action of mineral constituents as essentially important property for red mud implementation as a purifying and remediation agent.
PB  - Elsevier Science Bv, Amsterdam
T2  - Colloids and Surfaces A-Physicochemical and Engineering Aspects
T1  - The role of different minerals from red mud assemblage in Co(II) sorption mechanism
EP  - 20
SP  - 8
VL  - 508
DO  - 10.1016/j.colsurfa.2016.08.011
ER  - 

@article{
author = "Milenković, A. and Smičiklas, Ivana D. and Bundaleski, Nenad and Teodoro, Orlando M. N. D. and Veljović, Đorđe and Vukelić, Nikola",
year = "2016",
abstract = "A range of industrial by-products are currently under the consideration as cost-effective alternatives to conventional sorbent materials for environmental clean-up and remediation applications. Bauxite residue (red mud) has demonstrated exceptionally high potential for the immobilization of cationic pollutants. Due to heterogeneity of such material, determination of the role of individual mineral phases in the overall sorption mechanism is a challenging task. To enlighten the mechanism of Co(II) sorption by mineral assemblage of the red mud, sequential extraction analysis of Co-loaded sample was combined with the microscopic and spectroscopic studies performed by Scanning Field Emission Electron Microscope (FE-SEM), Energy Dispersive Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS). Sorbed Co(II) ions were found associated with operationally defined Fe,Mn-oxide and carbonate/acid soluble fractions. Binding of Co(II) by the red mud was achieved primarily by means of chemisorption/surface precipitation on Fe- and Ti-oxides. In coexistence with these highly selective surfaces, gibbsite and silica appeared to be low affinity sites for Co(II). Incongruent dissolution of sodalite phase was detected, indicating that its function was not to ensure sorption centers, but to increase the solution pH creating favorable environment for Co(II) binding by Fe- and Ti-oxides. The results demonstrate high stability of sorbed Co(II) and synergistic action of mineral constituents as essentially important property for red mud implementation as a purifying and remediation agent.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Colloids and Surfaces A-Physicochemical and Engineering Aspects",
title = "The role of different minerals from red mud assemblage in Co(II) sorption mechanism",
pages = "20-8",
volume = "508",
doi = "10.1016/j.colsurfa.2016.08.011"
}

Milenković, A., Smičiklas, I. D., Bundaleski, N., Teodoro, O. M. N. D., Veljović, Đ.,& Vukelić, N.. (2016). The role of different minerals from red mud assemblage in Co(II) sorption mechanism. in Colloids and Surfaces A-Physicochemical and Engineering Aspects
Elsevier Science Bv, Amsterdam., 508, 8-20.
https://doi.org/10.1016/j.colsurfa.2016.08.011

Milenković A, Smičiklas ID, Bundaleski N, Teodoro OMND, Veljović Đ, Vukelić N. The role of different minerals from red mud assemblage in Co(II) sorption mechanism. in Colloids and Surfaces A-Physicochemical and Engineering Aspects. 2016;508:8-20.
doi:10.1016/j.colsurfa.2016.08.011 .

Milenković, A., Smičiklas, Ivana D., Bundaleski, Nenad, Teodoro, Orlando M. N. D., Veljović, Đorđe, Vukelić, Nikola, "The role of different minerals from red mud assemblage in Co(II) sorption mechanism" in Colloids and Surfaces A-Physicochemical and Engineering Aspects, 508 (2016):8-20,
https://doi.org/10.1016/j.colsurfa.2016.08.011 . .

TY  - JOUR
AU  - Stanković, Slavka
AU  - Onjia, Antonije
AU  - Smičiklas, Ivana D.
AU  - Šljivić-Ivanović, Marija Z.
AU  - Jović, Mihajlo
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2944
AB  - The interest in using bioindicators as monitoring tools to assess environmental pollution with toxic metals continually increasing. Heavy metals arise from natural sources and human activities, and once released in the environment they do not disappear, but accumulate in soils, sediments and biota and become a global problem. Due to the easy transport and circulation of pollutants in the nature and the high correlation of the food web systems, the consequences of the increasing pollution are relatively rapidly reflected on people. A bioindicator can be defined as an organism or a part of an organism or a community of organisms that contains information on the quantitative aspects of the quality of the environment. Bioindicators can be animals or plants, and mostly used animal species as bioindicators are zooplankton, invertebrates and vertebrates while biomaterials such as micro and macro algae, fungi, lichens, mosses, tree bark and leaves of higher plants have been mostly used as plant bioindicators. Depending on their environment, one or the other kind of bioindicators are used to detect the deposition, accumulation and distribution of heavy metal pollution in soil, water and air. This work summarized the recent studies of various organisms used as a toxic metal bioindicators in air, water and soil ecosystems, and clearly confirms the importance, necessity and efficiency of bioindicators as a relatively new tool for monitoring and analysis of environmental pollution.
AB  - Interesovanje za korišćenje bioindikatora kao sredstva za monitoring i procenu zagađenosti životne sredine toksičnim metalima neprestano se povećava. Teški metali dospevaju u okruženje iz prirodnih izvora, ali i putem antropogenih aktivnosti, a jednom dospeli u životnu sredinu oni ne nestaju već se akumuliraju u zemljištu, sedimentu i bioti i sve više postaju rastući globalni problem. Usled lakog transporta i kruženja zagađujućih materija u prirodi, kao i velike povezanosti u lancu ishrane, posledice sve većeg zagađenja se relativno brzo manifestuju i na ljude. Bioindikator se može definisati kao organizam ili deo organizma ili kao zajednica organizama koja sadrži sa kvantitativnog aspekta informacije o kvalitetu životne sredine. Bioindikator mogu biti životinje ili biljke, i od životinjskih vrsta se koriste zooplankton, beskičmenjaci i kičmenjaci, dok se biomaterijali poput mikro i makro algi, gljiva, lišajeva, mahovina, kore drveta i lišća viših biljaka uglavnom koriste kao biljni bioindikatori. U zavisnosti od njihovog staništa, jedna ili druga grupa bioindikatora koristi se za detekciju taloženja, akumulacije i distribucije teških metala u tlu, vodi i vazduhu. Ovaj rad daje pregled novijih istraživanja o različitim organizmima koji se koriste kao bioindikatori toksičnih metala u vazduhu, vodi i zemljištu, i jasno potvrđuje važnost, neophodnost i efikasnost bioindikatora kao relativno novog načina za praćenje i analizu zagađenja životne sredine.
PB  - Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd
T2  - Ecologica
T1  - Bioindicators as a tool for environmental pollution analysis
T1  - Bioindikatori kao sredstvo za analizu zagađenosti životne sredine
EP  - 210
IS  - 78
SP  - 205
VL  - 22
UR  - https://hdl.handle.net/21.15107/rcub_technorep_2944
ER  - 

@article{
author = "Stanković, Slavka and Onjia, Antonije and Smičiklas, Ivana D. and Šljivić-Ivanović, Marija Z. and Jović, Mihajlo",
year = "2015",
abstract = "The interest in using bioindicators as monitoring tools to assess environmental pollution with toxic metals continually increasing. Heavy metals arise from natural sources and human activities, and once released in the environment they do not disappear, but accumulate in soils, sediments and biota and become a global problem. Due to the easy transport and circulation of pollutants in the nature and the high correlation of the food web systems, the consequences of the increasing pollution are relatively rapidly reflected on people. A bioindicator can be defined as an organism or a part of an organism or a community of organisms that contains information on the quantitative aspects of the quality of the environment. Bioindicators can be animals or plants, and mostly used animal species as bioindicators are zooplankton, invertebrates and vertebrates while biomaterials such as micro and macro algae, fungi, lichens, mosses, tree bark and leaves of higher plants have been mostly used as plant bioindicators. Depending on their environment, one or the other kind of bioindicators are used to detect the deposition, accumulation and distribution of heavy metal pollution in soil, water and air. This work summarized the recent studies of various organisms used as a toxic metal bioindicators in air, water and soil ecosystems, and clearly confirms the importance, necessity and efficiency of bioindicators as a relatively new tool for monitoring and analysis of environmental pollution., Interesovanje za korišćenje bioindikatora kao sredstva za monitoring i procenu zagađenosti životne sredine toksičnim metalima neprestano se povećava. Teški metali dospevaju u okruženje iz prirodnih izvora, ali i putem antropogenih aktivnosti, a jednom dospeli u životnu sredinu oni ne nestaju već se akumuliraju u zemljištu, sedimentu i bioti i sve više postaju rastući globalni problem. Usled lakog transporta i kruženja zagađujućih materija u prirodi, kao i velike povezanosti u lancu ishrane, posledice sve većeg zagađenja se relativno brzo manifestuju i na ljude. Bioindikator se može definisati kao organizam ili deo organizma ili kao zajednica organizama koja sadrži sa kvantitativnog aspekta informacije o kvalitetu životne sredine. Bioindikator mogu biti životinje ili biljke, i od životinjskih vrsta se koriste zooplankton, beskičmenjaci i kičmenjaci, dok se biomaterijali poput mikro i makro algi, gljiva, lišajeva, mahovina, kore drveta i lišća viših biljaka uglavnom koriste kao biljni bioindikatori. U zavisnosti od njihovog staništa, jedna ili druga grupa bioindikatora koristi se za detekciju taloženja, akumulacije i distribucije teških metala u tlu, vodi i vazduhu. Ovaj rad daje pregled novijih istraživanja o različitim organizmima koji se koriste kao bioindikatori toksičnih metala u vazduhu, vodi i zemljištu, i jasno potvrđuje važnost, neophodnost i efikasnost bioindikatora kao relativno novog načina za praćenje i analizu zagađenja životne sredine.",
publisher = "Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd",
journal = "Ecologica",
title = "Bioindicators as a tool for environmental pollution analysis, Bioindikatori kao sredstvo za analizu zagađenosti životne sredine",
pages = "210-205",
number = "78",
volume = "22",
url = "https://hdl.handle.net/21.15107/rcub_technorep_2944"
}

Stanković, S., Onjia, A., Smičiklas, I. D., Šljivić-Ivanović, M. Z.,& Jović, M.. (2015). Bioindicators as a tool for environmental pollution analysis. in Ecologica
Naučno-stručno društvo za zaštitu životne sredine Srbije - Ecologica, Beograd., 22(78), 205-210.
https://hdl.handle.net/21.15107/rcub_technorep_2944

Stanković S, Onjia A, Smičiklas ID, Šljivić-Ivanović MZ, Jović M. Bioindicators as a tool for environmental pollution analysis. in Ecologica. 2015;22(78):205-210.
https://hdl.handle.net/21.15107/rcub_technorep_2944 .

Stanković, Slavka, Onjia, Antonije, Smičiklas, Ivana D., Šljivić-Ivanović, Marija Z., Jović, Mihajlo, "Bioindicators as a tool for environmental pollution analysis" in Ecologica, 22, no. 78 (2015):205-210,
https://hdl.handle.net/21.15107/rcub_technorep_2944 .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Smiljanić, Slavko N.
AU  - Perić-Grujić, Aleksandra
AU  - Šljivić-Ivanović, Marija Z.
AU  - Mitrić, Miodrag
AU  - Antonović, Dušan
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2843
AB  - Red mud, a heterogeneous mineral waste from aluminum industry, can be beneficially utilized as a sorbent. High alkalinity and the amount of water soluble ions can limit some of its applications. This study's aim was to explore and correlate physicochemical properties and sorption efficiencies of acid treated red mud. Sorbents (BRM0.05-BRM1), obtained by varying HCl concentration (0.05-1 mol/L), were characterized in terms of mineralogical composition, surface functional groups, electrical conductivity (EC) and the point of zero charge (pH(PZC)). Removal of Ni(II) ions was tested in batch conditions. Sorbents EC and pH(PZC) values decreased with the increase of acid concentration. Structural analysis revealed that sodalite and calcite phases were completely lost starting from the samples BRM0.25 and BRM0.5, respectively. Along with the sodalite dissolution, gibbsite precipitation was observed. Ni(II) sorption increased with the increase of initial pH from 2 to 4, while at pH  gt 4 it depended only on sorbent material. A radical drop of maximum sorption capacities was associated with the increase of acid concentration to 0.25 mol/L, whereas additional rise to 1 mol/L caused minor fluctuations. Fully loaded sorbents BRM0.25-BRM0.1 also exhibited considerable lower stability over a range of investigated pH conditions. Dissolution of sodalite and calcite, and the consequent reduction of buffering capacities can be identified as the main reasons for decreasing sorption efficiency. Sample BRM0.05 was efficient in terms of both sorption and stability, yet environmentally more benign than the original red mud due to the lower alkalinity and content of water soluble ions.
PB  - Elsevier Science Sa, Lausanne
T2  - Chemical Engineering Journal
T1  - Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability
EP  - 35
SP  - 27
VL  - 242
DO  - 10.1016/j.cej.2013.12.079
ER  - 

@article{
author = "Smičiklas, Ivana D. and Smiljanić, Slavko N. and Perić-Grujić, Aleksandra and Šljivić-Ivanović, Marija Z. and Mitrić, Miodrag and Antonović, Dušan",
year = "2014",
abstract = "Red mud, a heterogeneous mineral waste from aluminum industry, can be beneficially utilized as a sorbent. High alkalinity and the amount of water soluble ions can limit some of its applications. This study's aim was to explore and correlate physicochemical properties and sorption efficiencies of acid treated red mud. Sorbents (BRM0.05-BRM1), obtained by varying HCl concentration (0.05-1 mol/L), were characterized in terms of mineralogical composition, surface functional groups, electrical conductivity (EC) and the point of zero charge (pH(PZC)). Removal of Ni(II) ions was tested in batch conditions. Sorbents EC and pH(PZC) values decreased with the increase of acid concentration. Structural analysis revealed that sodalite and calcite phases were completely lost starting from the samples BRM0.25 and BRM0.5, respectively. Along with the sodalite dissolution, gibbsite precipitation was observed. Ni(II) sorption increased with the increase of initial pH from 2 to 4, while at pH  gt 4 it depended only on sorbent material. A radical drop of maximum sorption capacities was associated with the increase of acid concentration to 0.25 mol/L, whereas additional rise to 1 mol/L caused minor fluctuations. Fully loaded sorbents BRM0.25-BRM0.1 also exhibited considerable lower stability over a range of investigated pH conditions. Dissolution of sodalite and calcite, and the consequent reduction of buffering capacities can be identified as the main reasons for decreasing sorption efficiency. Sample BRM0.05 was efficient in terms of both sorption and stability, yet environmentally more benign than the original red mud due to the lower alkalinity and content of water soluble ions.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Chemical Engineering Journal",
title = "Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability",
pages = "35-27",
volume = "242",
doi = "10.1016/j.cej.2013.12.079"
}

Smičiklas, I. D., Smiljanić, S. N., Perić-Grujić, A., Šljivić-Ivanović, M. Z., Mitrić, M.,& Antonović, D.. (2014). Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability. in Chemical Engineering Journal
Elsevier Science Sa, Lausanne., 242, 27-35.
https://doi.org/10.1016/j.cej.2013.12.079

Smičiklas ID, Smiljanić SN, Perić-Grujić A, Šljivić-Ivanović MZ, Mitrić M, Antonović D. Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability. in Chemical Engineering Journal. 2014;242:27-35.
doi:10.1016/j.cej.2013.12.079 .

Smičiklas, Ivana D., Smiljanić, Slavko N., Perić-Grujić, Aleksandra, Šljivić-Ivanović, Marija Z., Mitrić, Miodrag, Antonović, Dušan, "Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability" in Chemical Engineering Journal, 242 (2014):27-35,
https://doi.org/10.1016/j.cej.2013.12.079 . .

TY  - JOUR
AU  - Šljivić-Ivanović, Marija Z.
AU  - Smičiklas, Ivana D.
AU  - Pejanović, S.
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5674
AB  - Zeolite and hydroxyapatite (HAP) are well-known sorbent materials, with high capacities for removal of toxic heavy metals. In this study, the influence of process parameters onto kinetics of Cu2+ sorption by zeolite and HAP was analyzed and compared. The effects of Cu2+ concentration, sorbent mass and agitation speed were explored for both materials, as well as the effect of zeolite particle size. Using single resistance mass transfer models, the values of volumetric mass transfer coefficient (k(f)a) and effective diffusion coefficient (D-eff) were defined. The obtained results showed that the sorption onto HAP was governed only by pore diffusion, since the film diffusion and surface saturation occurred within the first few minutes of the reaction. Using zeolite, sorption was governed by film diffusion during the first 10 min, followed by diffusion inside the pores. The resistance of releasing cations counter diffusion was negligible in the fluid film, but it was considerable in sorbent pores. (C) 2013 Elsevier B.V. All rights reserved.
PB  - Elsevier B.V.
T2  - Chemical Engineering Journal
T1  - Analysis and comparison of mass transfer phenomena related to Cu2+ sorption by hydroxyapatite and zeolite
EP  - 843
SP  - 833
VL  - 223
DO  - 10.1016/j.cej.2013.03.034
ER  - 

@article{
author = "Šljivić-Ivanović, Marija Z. and Smičiklas, Ivana D. and Pejanović, S.",
year = "2013",
abstract = "Zeolite and hydroxyapatite (HAP) are well-known sorbent materials, with high capacities for removal of toxic heavy metals. In this study, the influence of process parameters onto kinetics of Cu2+ sorption by zeolite and HAP was analyzed and compared. The effects of Cu2+ concentration, sorbent mass and agitation speed were explored for both materials, as well as the effect of zeolite particle size. Using single resistance mass transfer models, the values of volumetric mass transfer coefficient (k(f)a) and effective diffusion coefficient (D-eff) were defined. The obtained results showed that the sorption onto HAP was governed only by pore diffusion, since the film diffusion and surface saturation occurred within the first few minutes of the reaction. Using zeolite, sorption was governed by film diffusion during the first 10 min, followed by diffusion inside the pores. The resistance of releasing cations counter diffusion was negligible in the fluid film, but it was considerable in sorbent pores. (C) 2013 Elsevier B.V. All rights reserved.",
publisher = "Elsevier B.V.",
journal = "Chemical Engineering Journal",
title = "Analysis and comparison of mass transfer phenomena related to Cu2+ sorption by hydroxyapatite and zeolite",
pages = "843-833",
volume = "223",
doi = "10.1016/j.cej.2013.03.034"
}

Šljivić-Ivanović, M. Z., Smičiklas, I. D.,& Pejanović, S.. (2013). Analysis and comparison of mass transfer phenomena related to Cu2+ sorption by hydroxyapatite and zeolite. in Chemical Engineering Journal
Elsevier B.V.., 223, 833-843.
https://doi.org/10.1016/j.cej.2013.03.034

Šljivić-Ivanović MZ, Smičiklas ID, Pejanović S. Analysis and comparison of mass transfer phenomena related to Cu2+ sorption by hydroxyapatite and zeolite. in Chemical Engineering Journal. 2013;223:833-843.
doi:10.1016/j.cej.2013.03.034 .

Šljivić-Ivanović, Marija Z., Smičiklas, Ivana D., Pejanović, S., "Analysis and comparison of mass transfer phenomena related to Cu2+ sorption by hydroxyapatite and zeolite" in Chemical Engineering Journal, 223 (2013):833-843,
https://doi.org/10.1016/j.cej.2013.03.034 . .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Smiljanić, Slavko N.
AU  - Perić-Grujić, Aleksandra
AU  - Šljivić-Ivanović, Marija Z.
AU  - Antonović, Dušan
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2495
AB  - The removal of Ni(II) from aqueous solutions by raw red mud powder was studied in the absence and in the presence of citrate ligand, as a function of process parameters. Using lower initial Ni(II) concentration (10(-3) mol/L) detectable amounts were found only at initial pH 3, whereas for higher concentration (2 x 10(-3) mol/L) removal increased simultaneously with pH in the range 3-4 and at pH  gt  8. Process efficiency was suppressed in the presence of citrate. However, at Ni/Citrate molar ratios 1:0.25 and 1:0.5, 10-20% decrease was noticed in acidic media, while the negative influence diminished with the rise of pH. At higher ligand rates, formation of stable aqueous complex between Ni(II) and citrate significantly reduced metal removal in the whole tested initial pH range (3-10). Due to instantaneous pH rise above 8, removal of Ni(II) from 10(-3) mol/L solution was completed in 5 min. Kinetic data demonstrated slower Ni(II) uptake using both solutions of higher initial Ni(II) concentrations and Ni/Citrate solutions. At initial pH 5, estimated capacity towards Ni(II) was found to be 27.4 mg/g, without citrate. For Ni/Citrate molar ratios 1:0.25 and 1:0.5, capacities decreased slightly to 25 mg/g and 21 mg/g, whereas at equimolar and higher concentrations, citrate significantly inhibited Ni(II) immobilization (7.6 mg/g and 2.5 mg/g, respectively for Ni/Citrate ratios 1:1 and 1:2). The results demonstrated beneficial effect of red mud high alkalinity on Ni(II) removal. The sorbent satisfactorily immobilize nickel from solutions having initial Ni/Citrate molar ratios lower than 1:1, and neutral to alkaline initial pH. FUR analysis confirmed that red mud can act as a removal agent for Ni(II), Ni/Citrate complex and free citrate ligand.
PB  - Elsevier Science Sa, Lausanne
T2  - Chemical Engineering Journal
T1  - The influence of citrate anion on Ni(II) removal by raw red mud from aluminum industry
EP  - 335
SP  - 327
VL  - 214
DO  - 10.1016/j.cej.2012.10.086
ER  - 

@article{
author = "Smičiklas, Ivana D. and Smiljanić, Slavko N. and Perić-Grujić, Aleksandra and Šljivić-Ivanović, Marija Z. and Antonović, Dušan",
year = "2013",
abstract = "The removal of Ni(II) from aqueous solutions by raw red mud powder was studied in the absence and in the presence of citrate ligand, as a function of process parameters. Using lower initial Ni(II) concentration (10(-3) mol/L) detectable amounts were found only at initial pH 3, whereas for higher concentration (2 x 10(-3) mol/L) removal increased simultaneously with pH in the range 3-4 and at pH  gt  8. Process efficiency was suppressed in the presence of citrate. However, at Ni/Citrate molar ratios 1:0.25 and 1:0.5, 10-20% decrease was noticed in acidic media, while the negative influence diminished with the rise of pH. At higher ligand rates, formation of stable aqueous complex between Ni(II) and citrate significantly reduced metal removal in the whole tested initial pH range (3-10). Due to instantaneous pH rise above 8, removal of Ni(II) from 10(-3) mol/L solution was completed in 5 min. Kinetic data demonstrated slower Ni(II) uptake using both solutions of higher initial Ni(II) concentrations and Ni/Citrate solutions. At initial pH 5, estimated capacity towards Ni(II) was found to be 27.4 mg/g, without citrate. For Ni/Citrate molar ratios 1:0.25 and 1:0.5, capacities decreased slightly to 25 mg/g and 21 mg/g, whereas at equimolar and higher concentrations, citrate significantly inhibited Ni(II) immobilization (7.6 mg/g and 2.5 mg/g, respectively for Ni/Citrate ratios 1:1 and 1:2). The results demonstrated beneficial effect of red mud high alkalinity on Ni(II) removal. The sorbent satisfactorily immobilize nickel from solutions having initial Ni/Citrate molar ratios lower than 1:1, and neutral to alkaline initial pH. FUR analysis confirmed that red mud can act as a removal agent for Ni(II), Ni/Citrate complex and free citrate ligand.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Chemical Engineering Journal",
title = "The influence of citrate anion on Ni(II) removal by raw red mud from aluminum industry",
pages = "335-327",
volume = "214",
doi = "10.1016/j.cej.2012.10.086"
}

Smičiklas, I. D., Smiljanić, S. N., Perić-Grujić, A., Šljivić-Ivanović, M. Z.,& Antonović, D.. (2013). The influence of citrate anion on Ni(II) removal by raw red mud from aluminum industry. in Chemical Engineering Journal
Elsevier Science Sa, Lausanne., 214, 327-335.
https://doi.org/10.1016/j.cej.2012.10.086

Smičiklas ID, Smiljanić SN, Perić-Grujić A, Šljivić-Ivanović MZ, Antonović D. The influence of citrate anion on Ni(II) removal by raw red mud from aluminum industry. in Chemical Engineering Journal. 2013;214:327-335.
doi:10.1016/j.cej.2012.10.086 .

Smičiklas, Ivana D., Smiljanić, Slavko N., Perić-Grujić, Aleksandra, Šljivić-Ivanović, Marija Z., Antonović, Dušan, "The influence of citrate anion on Ni(II) removal by raw red mud from aluminum industry" in Chemical Engineering Journal, 214 (2013):327-335,
https://doi.org/10.1016/j.cej.2012.10.086 . .

TY  - JOUR
AU  - Smiljanić, Slavko N.
AU  - Smičiklas, Ivana D.
AU  - Perić-Grujić, Aleksandra
AU  - Šljivić-Ivanović, Marija Z.
AU  - Dukić, B.
AU  - Lončar, Boris
PY  - 2011
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1959
AB  - The waste red mud, remaining in remarkable quantities after the digestion of bauxite ores following the Bayer process, contains number of voluble minerals with excellent sorption properties towards aqueous heavy metals. Heating at 600 degrees C was found to be a favorable treatment for revalorization of rinsed red mud into an efficient Ni2+ sorbent (RBRM600). As potential practical application of RBRM600 for Ni2+ accumulation greatly depends on the solution composition and pH, the influence of these vital process variables was considered in this study. The initial pH rise from 2 to 3.5 caused the most evident increase in the amounts of Ni2+ removed: furthermore, the effect was more obvious for lower initial sorbate concentrations. Conversely, changes of the solution pH between 3.5 and 8 did not have a significant influence on the sorption. The increase of initial cation concentration caused the increase of the sorbed amount. following Langmuir isotherm model. The calculated maximum sorption capacity of 27.54 mg/g demonstrated capacity increase of approximately 20% in respect to inactivated rinsed red mud. Coexisting cations inhibited Ni2+ removal in the following order: Cu2+  gt  Pb2+  gt = Zn2+  gt  Cd2+  gt  gt  Ca2+, whereas the presence of Na+ and K+ did not affect the process. The investigated anions caused decrease of Ni2+ removal efficiency in the order: EDTA  gt  chromate  gt  acetate  gt  sulphate, however, fluoride slightly improved sorption. Low desorption of Ni2+ in various media showed that the heavy metal cations are tightly bound to RBRM600 surface, thus disposal or reuse of spent sorbent should be considered.
PB  - Elsevier Science Sa, Lausanne
T2  - Chemical Engineering Journal
T1  - Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud
EP  - 619
IS  - 2
SP  - 610
VL  - 168
DO  - 10.1016/j.cej.2011.01.034
ER  - 

@article{
author = "Smiljanić, Slavko N. and Smičiklas, Ivana D. and Perić-Grujić, Aleksandra and Šljivić-Ivanović, Marija Z. and Dukić, B. and Lončar, Boris",
year = "2011",
abstract = "The waste red mud, remaining in remarkable quantities after the digestion of bauxite ores following the Bayer process, contains number of voluble minerals with excellent sorption properties towards aqueous heavy metals. Heating at 600 degrees C was found to be a favorable treatment for revalorization of rinsed red mud into an efficient Ni2+ sorbent (RBRM600). As potential practical application of RBRM600 for Ni2+ accumulation greatly depends on the solution composition and pH, the influence of these vital process variables was considered in this study. The initial pH rise from 2 to 3.5 caused the most evident increase in the amounts of Ni2+ removed: furthermore, the effect was more obvious for lower initial sorbate concentrations. Conversely, changes of the solution pH between 3.5 and 8 did not have a significant influence on the sorption. The increase of initial cation concentration caused the increase of the sorbed amount. following Langmuir isotherm model. The calculated maximum sorption capacity of 27.54 mg/g demonstrated capacity increase of approximately 20% in respect to inactivated rinsed red mud. Coexisting cations inhibited Ni2+ removal in the following order: Cu2+  gt  Pb2+  gt = Zn2+  gt  Cd2+  gt  gt  Ca2+, whereas the presence of Na+ and K+ did not affect the process. The investigated anions caused decrease of Ni2+ removal efficiency in the order: EDTA  gt  chromate  gt  acetate  gt  sulphate, however, fluoride slightly improved sorption. Low desorption of Ni2+ in various media showed that the heavy metal cations are tightly bound to RBRM600 surface, thus disposal or reuse of spent sorbent should be considered.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Chemical Engineering Journal",
title = "Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud",
pages = "619-610",
number = "2",
volume = "168",
doi = "10.1016/j.cej.2011.01.034"
}

Smiljanić, S. N., Smičiklas, I. D., Perić-Grujić, A., Šljivić-Ivanović, M. Z., Dukić, B.,& Lončar, B.. (2011). Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud. in Chemical Engineering Journal
Elsevier Science Sa, Lausanne., 168(2), 610-619.
https://doi.org/10.1016/j.cej.2011.01.034

Smiljanić SN, Smičiklas ID, Perić-Grujić A, Šljivić-Ivanović MZ, Dukić B, Lončar B. Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud. in Chemical Engineering Journal. 2011;168(2):610-619.
doi:10.1016/j.cej.2011.01.034 .

Smiljanić, Slavko N., Smičiklas, Ivana D., Perić-Grujić, Aleksandra, Šljivić-Ivanović, Marija Z., Dukić, B., Lončar, Boris, "Study of factors affecting Ni2+ immobilization efficiency by temperature activated red mud" in Chemical Engineering Journal, 168, no. 2 (2011):610-619,
https://doi.org/10.1016/j.cej.2011.01.034 . .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Dimović, Slavko
AU  - Šljivić-Ivanović, Marija Z.
AU  - Plećaš, Ilija B.
AU  - Lončar, Boris B.
AU  - Mitrić, Miodrag
PY  - 2010
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5608
AB  - The interaction between Sr2+ ions and variously treated animal bones was studied from the aspect of Sr-90 isotope immobilization from the contaminated effluents. As a source of biogenic, poorly-crystalline apatite, bone based materials, in general, were found to exhibit good retention properties towards Sr2+ cation. Furthermore, sorption capacities of H2O2 treated bone sample and sample annealed at 400 degrees C were found to be higher in respect to a commercial bone char and synthetic hydroxyapatite. Mentioned treatments induced partial organic phase removal from the pores of the skeletal material that caused the increase of the specific surface area. Higher temperatures provoked an increase of the apatite phase crystallinity, agglomeration of nano-crystals and a decrease of both the specific surface area and Sr2+ sorption. The immobilization was pH independent in the range 4-10, as a result of sorbents buffering properties. Kinetic data were well represented by the pseudo-second-order reaction model. Sorption isotherms were in better correlation with Freundlich than Langmuir theoretical model, whereas samples heated at 800 degrees C and 1000 degrees C showed S-type isotherms which were in a good agreement with sigmoidal Langmuir equation. The ion-exchange with Ca2+ cations and the specific cation sorption were two recognized mechanisms in the Sr2+ removal process, with relative contributions strongly dependent on the sorbents physicochemical properties. Sr2+ -loaded products were the most stable in the neutral and alkaline environments, while Ca2+ containing and acidic leaching solutions caused increased Sr2+ desorption. (C) 2010 Elsevier B.V. All rights reserved.
PB  - Elsevier
T2  - Journal of Nuclear Materials
T1  - Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions
EP  - 24
IS  - 1
SP  - 15
VL  - 400
DO  - 10.1016/j.jnucmat.2010.02.004
ER  - 

@article{
author = "Smičiklas, Ivana D. and Dimović, Slavko and Šljivić-Ivanović, Marija Z. and Plećaš, Ilija B. and Lončar, Boris B. and Mitrić, Miodrag",
year = "2010",
abstract = "The interaction between Sr2+ ions and variously treated animal bones was studied from the aspect of Sr-90 isotope immobilization from the contaminated effluents. As a source of biogenic, poorly-crystalline apatite, bone based materials, in general, were found to exhibit good retention properties towards Sr2+ cation. Furthermore, sorption capacities of H2O2 treated bone sample and sample annealed at 400 degrees C were found to be higher in respect to a commercial bone char and synthetic hydroxyapatite. Mentioned treatments induced partial organic phase removal from the pores of the skeletal material that caused the increase of the specific surface area. Higher temperatures provoked an increase of the apatite phase crystallinity, agglomeration of nano-crystals and a decrease of both the specific surface area and Sr2+ sorption. The immobilization was pH independent in the range 4-10, as a result of sorbents buffering properties. Kinetic data were well represented by the pseudo-second-order reaction model. Sorption isotherms were in better correlation with Freundlich than Langmuir theoretical model, whereas samples heated at 800 degrees C and 1000 degrees C showed S-type isotherms which were in a good agreement with sigmoidal Langmuir equation. The ion-exchange with Ca2+ cations and the specific cation sorption were two recognized mechanisms in the Sr2+ removal process, with relative contributions strongly dependent on the sorbents physicochemical properties. Sr2+ -loaded products were the most stable in the neutral and alkaline environments, while Ca2+ containing and acidic leaching solutions caused increased Sr2+ desorption. (C) 2010 Elsevier B.V. All rights reserved.",
publisher = "Elsevier",
journal = "Journal of Nuclear Materials",
title = "Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions",
pages = "24-15",
number = "1",
volume = "400",
doi = "10.1016/j.jnucmat.2010.02.004"
}

Smičiklas, I. D., Dimović, S., Šljivić-Ivanović, M. Z., Plećaš, I. B., Lončar, B. B.,& Mitrić, M.. (2010). Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions. in Journal of Nuclear Materials
Elsevier., 400(1), 15-24.
https://doi.org/10.1016/j.jnucmat.2010.02.004

Smičiklas ID, Dimović S, Šljivić-Ivanović MZ, Plećaš IB, Lončar BB, Mitrić M. Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions. in Journal of Nuclear Materials. 2010;400(1):15-24.
doi:10.1016/j.jnucmat.2010.02.004 .

Smičiklas, Ivana D., Dimović, Slavko, Šljivić-Ivanović, Marija Z., Plećaš, Ilija B., Lončar, Boris B., Mitrić, Miodrag, "Resource recovery of animal bones: Study on sorptive properties and mechanism for Sr2+ ions" in Journal of Nuclear Materials, 400, no. 1 (2010):15-24,
https://doi.org/10.1016/j.jnucmat.2010.02.004 . .

TY  - JOUR
AU  - Veljović, Đorđe
AU  - Zalite, Ilmars
AU  - Palcevskis, Eriks
AU  - Smičiklas, Ivana D.
AU  - Petrović, Rada
AU  - Janaćković, Đorđe
PY  - 2010
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1683
AB  - The effect of microwave sintering conditions on the microstructure, phase composition and mechanical properties of materials based on hydroxyapatite (HAP) and tricalcium phosphate (TCP) was investigated. Fine grained monophase HAP and biphasic HAP/TCP biomaterials were processed starting from stoichiometric and calcium deficient nanosized HAP powders. The HAP samples microwave (MAT) sintered for 15 min at 900 degrees C, with average grain size of 130 nm, showed better densification, higher density and certainly higher hardness and fracture toughness than samples conventionally sintered for 2 h at the same temperature. By comparing MW sintered HAP and HAP/TCP samples, it was concluded that pure HAP ceramics have superior mechanical properties. For monophase MW sintered HAP samples, the decrease in the grain size from 1.59 mu m to 130 nm led to an increase in the fracture toughness from 0.85 MPa m(1/2) to 1.3 MPa m(1/2).
PB  - Elsevier Sci Ltd, Oxford
T2  - Ceramics International
T1  - Microwave sintering of fine grained HAP and HAP/TCP bioceramics
EP  - 603
IS  - 2
SP  - 595
VL  - 36
DO  - 10.1016/j.ceramint.2009.09.038
ER  - 

@article{
author = "Veljović, Đorđe and Zalite, Ilmars and Palcevskis, Eriks and Smičiklas, Ivana D. and Petrović, Rada and Janaćković, Đorđe",
year = "2010",
abstract = "The effect of microwave sintering conditions on the microstructure, phase composition and mechanical properties of materials based on hydroxyapatite (HAP) and tricalcium phosphate (TCP) was investigated. Fine grained monophase HAP and biphasic HAP/TCP biomaterials were processed starting from stoichiometric and calcium deficient nanosized HAP powders. The HAP samples microwave (MAT) sintered for 15 min at 900 degrees C, with average grain size of 130 nm, showed better densification, higher density and certainly higher hardness and fracture toughness than samples conventionally sintered for 2 h at the same temperature. By comparing MW sintered HAP and HAP/TCP samples, it was concluded that pure HAP ceramics have superior mechanical properties. For monophase MW sintered HAP samples, the decrease in the grain size from 1.59 mu m to 130 nm led to an increase in the fracture toughness from 0.85 MPa m(1/2) to 1.3 MPa m(1/2).",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Ceramics International",
title = "Microwave sintering of fine grained HAP and HAP/TCP bioceramics",
pages = "603-595",
number = "2",
volume = "36",
doi = "10.1016/j.ceramint.2009.09.038"
}

Veljović, Đ., Zalite, I., Palcevskis, E., Smičiklas, I. D., Petrović, R.,& Janaćković, Đ.. (2010). Microwave sintering of fine grained HAP and HAP/TCP bioceramics. in Ceramics International
Elsevier Sci Ltd, Oxford., 36(2), 595-603.
https://doi.org/10.1016/j.ceramint.2009.09.038

Veljović Đ, Zalite I, Palcevskis E, Smičiklas ID, Petrović R, Janaćković Đ. Microwave sintering of fine grained HAP and HAP/TCP bioceramics. in Ceramics International. 2010;36(2):595-603.
doi:10.1016/j.ceramint.2009.09.038 .

Veljović, Đorđe, Zalite, Ilmars, Palcevskis, Eriks, Smičiklas, Ivana D., Petrović, Rada, Janaćković, Đorđe, "Microwave sintering of fine grained HAP and HAP/TCP bioceramics" in Ceramics International, 36, no. 2 (2010):595-603,
https://doi.org/10.1016/j.ceramint.2009.09.038 . .

TY  - JOUR
AU  - Smiljanić, Slavko N.
AU  - Smičiklas, Ivana D.
AU  - Perić-Grujić, Aleksandra
AU  - Lončar, Boris
AU  - Mitrić, Miodrag
PY  - 2010
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1654
AB  - Red mud, an abundant industrial waste from alumina industry, represents a rich source of various metal oxides, mainly of Fe2O3 Al2O3 and SiO2. In this study, the rinsed Bosnian red mud (RBRM) was evaluated as an economical, composite sorbent for aqueous Ni2+ ions. The process was investigated as a function of pH, contact time and initial metal concentration. The investigated mineral mixture exhibited a high acid neutralising capacity, and its most important role in cation immobilization was observed in the initial pH range 2-8. The initial metal ion concentration strongly influenced the sorption kinetics and equilibrium times. Addition of 5 g/L of RBRM caused 100% removal from the solutions of 10(-4) to 5 x 10(-4) mol/L, whereas with the further increase of Ni2+ concentration to 8 x 10(-3) mol/L, the removal efficiency decreased to 26%. The maximum sorption capacity of 0.372 mmol/g, at initial pH 5, was determined using Langmuir theoretical model. The possibility of sorption efficiency improvement by annealing RBRM powder was investigated in the range 200-900 degrees C and the relationships between temperature, red mud physicochemical and sorption properties were established. The optimum heating temperature was found to be 600 degrees C, due to water exclusion from gibbsite and bayerite phases, leading to improved porosity and surface area, as well as increased pH value and sorption efficiency. The stability of the sorbed cation was assessed by leaching experiments in distilled water and acidic TCLP2 solution.
PB  - Elsevier Science Sa, Lausanne
T2  - Chemical Engineering Journal
T1  - Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions
EP  - 83
IS  - 1
SP  - 75
VL  - 162
DO  - 10.1016/j.cej.2010.04.062
ER  - 

@article{
author = "Smiljanić, Slavko N. and Smičiklas, Ivana D. and Perić-Grujić, Aleksandra and Lončar, Boris and Mitrić, Miodrag",
year = "2010",
abstract = "Red mud, an abundant industrial waste from alumina industry, represents a rich source of various metal oxides, mainly of Fe2O3 Al2O3 and SiO2. In this study, the rinsed Bosnian red mud (RBRM) was evaluated as an economical, composite sorbent for aqueous Ni2+ ions. The process was investigated as a function of pH, contact time and initial metal concentration. The investigated mineral mixture exhibited a high acid neutralising capacity, and its most important role in cation immobilization was observed in the initial pH range 2-8. The initial metal ion concentration strongly influenced the sorption kinetics and equilibrium times. Addition of 5 g/L of RBRM caused 100% removal from the solutions of 10(-4) to 5 x 10(-4) mol/L, whereas with the further increase of Ni2+ concentration to 8 x 10(-3) mol/L, the removal efficiency decreased to 26%. The maximum sorption capacity of 0.372 mmol/g, at initial pH 5, was determined using Langmuir theoretical model. The possibility of sorption efficiency improvement by annealing RBRM powder was investigated in the range 200-900 degrees C and the relationships between temperature, red mud physicochemical and sorption properties were established. The optimum heating temperature was found to be 600 degrees C, due to water exclusion from gibbsite and bayerite phases, leading to improved porosity and surface area, as well as increased pH value and sorption efficiency. The stability of the sorbed cation was assessed by leaching experiments in distilled water and acidic TCLP2 solution.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Chemical Engineering Journal",
title = "Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions",
pages = "83-75",
number = "1",
volume = "162",
doi = "10.1016/j.cej.2010.04.062"
}

Smiljanić, S. N., Smičiklas, I. D., Perić-Grujić, A., Lončar, B.,& Mitrić, M.. (2010). Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions. in Chemical Engineering Journal
Elsevier Science Sa, Lausanne., 162(1), 75-83.
https://doi.org/10.1016/j.cej.2010.04.062

Smiljanić SN, Smičiklas ID, Perić-Grujić A, Lončar B, Mitrić M. Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions. in Chemical Engineering Journal. 2010;162(1):75-83.
doi:10.1016/j.cej.2010.04.062 .

Smiljanić, Slavko N., Smičiklas, Ivana D., Perić-Grujić, Aleksandra, Lončar, Boris, Mitrić, Miodrag, "Rinsed and thermally treated red mud sorbents for aqueous Ni2+ ions" in Chemical Engineering Journal, 162, no. 1 (2010):75-83,
https://doi.org/10.1016/j.cej.2010.04.062 . .

TY  - JOUR
AU  - Dimović, Slavko
AU  - Smičiklas, Ivana D.
AU  - Plećaš, Ilija B.
AU  - Antonović, Dušan
AU  - Mitrić, Miodrag
PY  - 2009
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5519
AB  - The objective of the present study was the evaluation of differently treated bovine bones for Co2+ removal from aqueous media. Powdered bones (B), as well as samples prepared by H2O2 oxidation (BH2O2) and annealing at 400-1000 degrees C (B400-B1000), were tested as sorbent materials. A combination of XRD, FTIR spectroscopies, DTA/TGA analyses, specific surface area (S-p) and point of zero charge (pH(PZC)) measurements was utilized for physicochemical characterization of sorbents. Sorption of Co2+ was studied in batch conditions as a function of pH, contact time and Co2+ concentration. Initial pH values in the range4-8 were found optimal for sorption experiments. Equilibrium time of 24 h was required in all investigated systems. The maximum sorption capacities differ significantly from 0.078 to 0.495 mmol/g, whereas the affinity towards Co2+ decreased in the order: B400 GT BH2O2 GT B600 GT B GT B800 GT B1000. The pseudo-second-order model and Langmuir theoretical equation were used for fitting the kinetic and equilibrium data, respectively. Ion-exchange with Ca2+ and specific cation sorption were identified as main removal mechanisms. The amounts of Co2+ desorbed from loaded bone sorbents increased with the decrease of pH as well as with the increase of Ca2+ concentration. Heating at 400 degrees C was found to be an optimal treatment for the production of the Co2+ removal agent. (C) 2008 Elsevier B.V. All rights reserved.
T2  - Journal of Hazardous Materials
T1  - Comparative study of differently treated animal bones for Co2+ removal
EP  - 287
IS  - 1
SP  - 279
VL  - 164
DO  - 10.1016/j.jhazmat.2008.08.013
ER  - 

@article{
author = "Dimović, Slavko and Smičiklas, Ivana D. and Plećaš, Ilija B. and Antonović, Dušan and Mitrić, Miodrag",
year = "2009",
abstract = "The objective of the present study was the evaluation of differently treated bovine bones for Co2+ removal from aqueous media. Powdered bones (B), as well as samples prepared by H2O2 oxidation (BH2O2) and annealing at 400-1000 degrees C (B400-B1000), were tested as sorbent materials. A combination of XRD, FTIR spectroscopies, DTA/TGA analyses, specific surface area (S-p) and point of zero charge (pH(PZC)) measurements was utilized for physicochemical characterization of sorbents. Sorption of Co2+ was studied in batch conditions as a function of pH, contact time and Co2+ concentration. Initial pH values in the range4-8 were found optimal for sorption experiments. Equilibrium time of 24 h was required in all investigated systems. The maximum sorption capacities differ significantly from 0.078 to 0.495 mmol/g, whereas the affinity towards Co2+ decreased in the order: B400 GT BH2O2 GT B600 GT B GT B800 GT B1000. The pseudo-second-order model and Langmuir theoretical equation were used for fitting the kinetic and equilibrium data, respectively. Ion-exchange with Ca2+ and specific cation sorption were identified as main removal mechanisms. The amounts of Co2+ desorbed from loaded bone sorbents increased with the decrease of pH as well as with the increase of Ca2+ concentration. Heating at 400 degrees C was found to be an optimal treatment for the production of the Co2+ removal agent. (C) 2008 Elsevier B.V. All rights reserved.",
journal = "Journal of Hazardous Materials",
title = "Comparative study of differently treated animal bones for Co2+ removal",
pages = "287-279",
number = "1",
volume = "164",
doi = "10.1016/j.jhazmat.2008.08.013"
}

Dimović, S., Smičiklas, I. D., Plećaš, I. B., Antonović, D.,& Mitrić, M.. (2009). Comparative study of differently treated animal bones for Co2+ removal. in Journal of Hazardous Materials, 164(1), 279-287.
https://doi.org/10.1016/j.jhazmat.2008.08.013

Dimović S, Smičiklas ID, Plećaš IB, Antonović D, Mitrić M. Comparative study of differently treated animal bones for Co2+ removal. in Journal of Hazardous Materials. 2009;164(1):279-287.
doi:10.1016/j.jhazmat.2008.08.013 .

Dimović, Slavko, Smičiklas, Ivana D., Plećaš, Ilija B., Antonović, Dušan, Mitrić, Miodrag, "Comparative study of differently treated animal bones for Co2+ removal" in Journal of Hazardous Materials, 164, no. 1 (2009):279-287,
https://doi.org/10.1016/j.jhazmat.2008.08.013 . .

TY  - JOUR
AU  - Šljivić-Ivanović, Marija Z.
AU  - Smičiklas, Ivana D.
AU  - Pejanovic, S.
AU  - Plećaš, Ilija B.
PY  - 2009
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5517
AB  - The adsorption of a zeolite, clay and diatomite from Serbia toward aqueous Cu2+ ions was studied, at different pH. The adsorbents were characterized with respect to phase composition, specific surface area and point of zero charge. The amounts Of Cu2+ removed from the solution, increased with increasing initial pH, reaching nearly 100% at pH GT 7, regardless of the adsorbent type and metal concentration, due to precipitation of Cu(OH)(2). Relatively constant final pH values and less significant increase Of Cu2+ uptake observed in the initial pH range 4-6 have pointed out the role of buffering properties of investigated adsorbent materials. The maximum adsorption capacities decreased in the order zeolite (0.128 mmol/g) GT clay (0.096 mmol/g) GT diatomite (0.047 mmol/g). The Langmuir equation was most suitable for data fitting. The proportion Of Cu2+ desorbed in acidic media decreased with the increase of previously adsorbed amounts by zeolite and clay, while the opposite was true for diatomite. Ion exchange of exchangeable cations and protons were identified as main adsorption mechanisms, with latter being most apparent in the removal mechanism of diatomite. Considering low-cost, local availability and environmentally friendly materials, zeolite exhibited highest potential for environmental and health protection applications. (C) 2008 Elsevier B.V. All rights reserved.
T2  - Applied Clay Science
T1  - Comparative study of cu(2+) adsorption on a zeolite, a clay and a diatomite from Serbia
EP  - 40
IS  - 1
SP  - 33
VL  - 43
DO  - 10.1016/j.clay.2008.07.009
ER  - 

@article{
author = "Šljivić-Ivanović, Marija Z. and Smičiklas, Ivana D. and Pejanovic, S. and Plećaš, Ilija B.",
year = "2009",
abstract = "The adsorption of a zeolite, clay and diatomite from Serbia toward aqueous Cu2+ ions was studied, at different pH. The adsorbents were characterized with respect to phase composition, specific surface area and point of zero charge. The amounts Of Cu2+ removed from the solution, increased with increasing initial pH, reaching nearly 100% at pH GT 7, regardless of the adsorbent type and metal concentration, due to precipitation of Cu(OH)(2). Relatively constant final pH values and less significant increase Of Cu2+ uptake observed in the initial pH range 4-6 have pointed out the role of buffering properties of investigated adsorbent materials. The maximum adsorption capacities decreased in the order zeolite (0.128 mmol/g) GT clay (0.096 mmol/g) GT diatomite (0.047 mmol/g). The Langmuir equation was most suitable for data fitting. The proportion Of Cu2+ desorbed in acidic media decreased with the increase of previously adsorbed amounts by zeolite and clay, while the opposite was true for diatomite. Ion exchange of exchangeable cations and protons were identified as main adsorption mechanisms, with latter being most apparent in the removal mechanism of diatomite. Considering low-cost, local availability and environmentally friendly materials, zeolite exhibited highest potential for environmental and health protection applications. (C) 2008 Elsevier B.V. All rights reserved.",
journal = "Applied Clay Science",
title = "Comparative study of cu(2+) adsorption on a zeolite, a clay and a diatomite from Serbia",
pages = "40-33",
number = "1",
volume = "43",
doi = "10.1016/j.clay.2008.07.009"
}

Šljivić-Ivanović, M. Z., Smičiklas, I. D., Pejanovic, S.,& Plećaš, I. B.. (2009). Comparative study of cu(2+) adsorption on a zeolite, a clay and a diatomite from Serbia. in Applied Clay Science, 43(1), 33-40.
https://doi.org/10.1016/j.clay.2008.07.009

Šljivić-Ivanović MZ, Smičiklas ID, Pejanovic S, Plećaš IB. Comparative study of cu(2+) adsorption on a zeolite, a clay and a diatomite from Serbia. in Applied Clay Science. 2009;43(1):33-40.
doi:10.1016/j.clay.2008.07.009 .

Šljivić-Ivanović, Marija Z., Smičiklas, Ivana D., Pejanovic, S., Plećaš, Ilija B., "Comparative study of cu(2+) adsorption on a zeolite, a clay and a diatomite from Serbia" in Applied Clay Science, 43, no. 1 (2009):33-40,
https://doi.org/10.1016/j.clay.2008.07.009 . .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Onjia, Antonije
AU  - Raičević, Slavica
AU  - Janaćković, Đorđe
PY  - 2009
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1440
AB  - Recently. it has come to our attention, that a polemical note by Milonjic [S.K. Milonjic, Comments on "factors influencing the removal of divalent cations by hydroxyapatite", J. Hazard. Mater. 162 (2009) 1588-1589]. has been published raising several critical comments on some experimental procedures, as well as the presentation and interpretation of some data found in the cited paper by Smiciklas et al. [L. Smiciklas, A. Onjia. S. Raicevic, Dj. Janackovic, M. Mitric, Factors influencing the removal of divalent cations by hydroxyapatite, J. Hazard. Mater. 152 (2008) 876-884]. Since we have not received any prior copy of this discussion through the process involved in the acceptance of these comments, we now take the opportunity of responding. We have reviewed some scientific papers dealing with cation sorption, in order to demonstrate variety of experimental approaches used for batch sorption tests, regarding solution pH. Finally, we justified experimental methods and data interpretation methods we chose to perform in the mentioned manuscript.
PB  - Elsevier, Amsterdam
T2  - Journal of Hazardous Materials
T1  - Authors' response to comments on "Factors influencing the removal of divalent cations by hydroxyapatite" Discussion
EP  - 562
IS  - 1
SP  - 560
VL  - 168
DO  - 10.1016/j.jhazmat.2009.01.137
ER  - 

@article{
author = "Smičiklas, Ivana D. and Onjia, Antonije and Raičević, Slavica and Janaćković, Đorđe",
year = "2009",
abstract = "Recently. it has come to our attention, that a polemical note by Milonjic [S.K. Milonjic, Comments on "factors influencing the removal of divalent cations by hydroxyapatite", J. Hazard. Mater. 162 (2009) 1588-1589]. has been published raising several critical comments on some experimental procedures, as well as the presentation and interpretation of some data found in the cited paper by Smiciklas et al. [L. Smiciklas, A. Onjia. S. Raicevic, Dj. Janackovic, M. Mitric, Factors influencing the removal of divalent cations by hydroxyapatite, J. Hazard. Mater. 152 (2008) 876-884]. Since we have not received any prior copy of this discussion through the process involved in the acceptance of these comments, we now take the opportunity of responding. We have reviewed some scientific papers dealing with cation sorption, in order to demonstrate variety of experimental approaches used for batch sorption tests, regarding solution pH. Finally, we justified experimental methods and data interpretation methods we chose to perform in the mentioned manuscript.",
publisher = "Elsevier, Amsterdam",
journal = "Journal of Hazardous Materials",
title = "Authors' response to comments on "Factors influencing the removal of divalent cations by hydroxyapatite" Discussion",
pages = "562-560",
number = "1",
volume = "168",
doi = "10.1016/j.jhazmat.2009.01.137"
}

Smičiklas, I. D., Onjia, A., Raičević, S.,& Janaćković, Đ.. (2009). Authors' response to comments on "Factors influencing the removal of divalent cations by hydroxyapatite" Discussion. in Journal of Hazardous Materials
Elsevier, Amsterdam., 168(1), 560-562.
https://doi.org/10.1016/j.jhazmat.2009.01.137

Smičiklas ID, Onjia A, Raičević S, Janaćković Đ. Authors' response to comments on "Factors influencing the removal of divalent cations by hydroxyapatite" Discussion. in Journal of Hazardous Materials. 2009;168(1):560-562.
doi:10.1016/j.jhazmat.2009.01.137 .

Smičiklas, Ivana D., Onjia, Antonije, Raičević, Slavica, Janaćković, Đorđe, "Authors' response to comments on "Factors influencing the removal of divalent cations by hydroxyapatite" Discussion" in Journal of Hazardous Materials, 168, no. 1 (2009):560-562,
https://doi.org/10.1016/j.jhazmat.2009.01.137 . .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Onjia, Antonije
AU  - Raičević, Slavica
AU  - Janaćković, Đorđe
AU  - Mitrić, Miodrag
PY  - 2008
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1316
AB  - The effect of pH, contact time, initial metal concentration and presence of common competing cations, on hydroxyapatite (HAP) sorption properties towards Ph2+, Cd2+, Zn2+, and Sr2+ ions was studied and compared using a batch technique. The results strongly indicated the difference between the sorption mechanism of Pb2+ and other investigated cations: the removal of Pb2+ was pH-independent and almost complete in the entire pH range (3-12), while the sorption of Cd2+, Zn2+ and Sr2+ generally increased with an increase of pH; the contact time required for attaining equilibrium was 30 mm for Pb 2+ versus 24h needed for other cations; maximum sorption capacity of HAP sample was found to be an order of magnitude higher for Pb2+ (3.263 mmol/g), than for Cd2+ (0.601 mmol/g), Zn (2+) (0.574 mmol/g) and Sr2+ (0.257 mmol/g); the selectivity of HAP was found to decrease in the order Ph2+ gt  Cd2+ gt  Zn2+ gt  Sr2+ while a decrease of pHpzc, in respect to the value obtained in inert electrolyte, followed the order Cd2+  gt  Zn2+ gt  Ph2+ gt  Sr2+; neither of investigated competing cations (Ca2+, Mg2+, Na+ and K+) influenced Pb2+ immobilization whereas the sorption of other cations was reduced in the presence of Ca2+, in the order Sr2+  gt  Cd2+  gt  Zn (2+). The pseudo-second order kinetic model and Langmuir isotherm have been proposed for modeling kinetic and equilibrium data, respectively. The sorption of all examined metals was followed by Ca2+ release from the HAP crystal lattice and pH decrease. The ion exchange and specific cation sorption mechanisms were anticipated for Cd2+, Zn2+ and Sr2+, while dissolution of HAP followed by precipitation of hydroxypyromorphite (Pb-10(PO4)(6)(OH)(2)) was found to be the main operating mechanism for Pb 2+ immobilization by HAP, with the contribution of specific cation sorption.
PB  - Elsevier, Amsterdam
T2  - Journal of Hazardous Materials
T1  - Factors influencing the removal of divalent cations by hydroxyapatite
EP  - 884
IS  - 2
SP  - 876
VL  - 152
DO  - 10.1016/j.jhazmat.2007.07.056
ER  - 

@article{
author = "Smičiklas, Ivana D. and Onjia, Antonije and Raičević, Slavica and Janaćković, Đorđe and Mitrić, Miodrag",
year = "2008",
abstract = "The effect of pH, contact time, initial metal concentration and presence of common competing cations, on hydroxyapatite (HAP) sorption properties towards Ph2+, Cd2+, Zn2+, and Sr2+ ions was studied and compared using a batch technique. The results strongly indicated the difference between the sorption mechanism of Pb2+ and other investigated cations: the removal of Pb2+ was pH-independent and almost complete in the entire pH range (3-12), while the sorption of Cd2+, Zn2+ and Sr2+ generally increased with an increase of pH; the contact time required for attaining equilibrium was 30 mm for Pb 2+ versus 24h needed for other cations; maximum sorption capacity of HAP sample was found to be an order of magnitude higher for Pb2+ (3.263 mmol/g), than for Cd2+ (0.601 mmol/g), Zn (2+) (0.574 mmol/g) and Sr2+ (0.257 mmol/g); the selectivity of HAP was found to decrease in the order Ph2+ gt  Cd2+ gt  Zn2+ gt  Sr2+ while a decrease of pHpzc, in respect to the value obtained in inert electrolyte, followed the order Cd2+  gt  Zn2+ gt  Ph2+ gt  Sr2+; neither of investigated competing cations (Ca2+, Mg2+, Na+ and K+) influenced Pb2+ immobilization whereas the sorption of other cations was reduced in the presence of Ca2+, in the order Sr2+  gt  Cd2+  gt  Zn (2+). The pseudo-second order kinetic model and Langmuir isotherm have been proposed for modeling kinetic and equilibrium data, respectively. The sorption of all examined metals was followed by Ca2+ release from the HAP crystal lattice and pH decrease. The ion exchange and specific cation sorption mechanisms were anticipated for Cd2+, Zn2+ and Sr2+, while dissolution of HAP followed by precipitation of hydroxypyromorphite (Pb-10(PO4)(6)(OH)(2)) was found to be the main operating mechanism for Pb 2+ immobilization by HAP, with the contribution of specific cation sorption.",
publisher = "Elsevier, Amsterdam",
journal = "Journal of Hazardous Materials",
title = "Factors influencing the removal of divalent cations by hydroxyapatite",
pages = "884-876",
number = "2",
volume = "152",
doi = "10.1016/j.jhazmat.2007.07.056"
}

Smičiklas, I. D., Onjia, A., Raičević, S., Janaćković, Đ.,& Mitrić, M.. (2008). Factors influencing the removal of divalent cations by hydroxyapatite. in Journal of Hazardous Materials
Elsevier, Amsterdam., 152(2), 876-884.
https://doi.org/10.1016/j.jhazmat.2007.07.056

Smičiklas ID, Onjia A, Raičević S, Janaćković Đ, Mitrić M. Factors influencing the removal of divalent cations by hydroxyapatite. in Journal of Hazardous Materials. 2008;152(2):876-884.
doi:10.1016/j.jhazmat.2007.07.056 .

Smičiklas, Ivana D., Onjia, Antonije, Raičević, Slavica, Janaćković, Đorđe, Mitrić, Miodrag, "Factors influencing the removal of divalent cations by hydroxyapatite" in Journal of Hazardous Materials, 152, no. 2 (2008):876-884,
https://doi.org/10.1016/j.jhazmat.2007.07.056 . .

TY  - JOUR
AU  - Veljović, Đorđe
AU  - Jokić, Bojan
AU  - Janković-Častvan, Ivona
AU  - Smičiklas, Ivana D.
AU  - Petrović, Rada
AU  - Janaćković, Đorđe
PY  - 2007
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1021
AB  - The influences of temperature and time on sintering behaviour of nanosized HAP powder were investigate in this paper. The calcium hydroxyapatite powder, with the average crystallite size of 34 +/- 1 nm, was uniaxially pressed at a pressure of 500 MPa. Obtained green compacts were sintered at temperature ranging from 1000 degrees C to 1200 degrees C in air atmosphere at various times. According to the results of scanning electron microscopy, X-ray and FTIR analyses, it is shown that HAP compacts with dense microstructure and average grain size below 250 nm is obtained.
PB  - Trans Tech Publications Ltd, Durnten-Zurich
T2  - Key Engineering Materials
T1  - Sintering behaviour of nanosized HAP powder
EP  - 262
SP  - 259
VL  - 330-332 I
UR  - https://hdl.handle.net/21.15107/rcub_technorep_1021
ER  - 

@article{
author = "Veljović, Đorđe and Jokić, Bojan and Janković-Častvan, Ivona and Smičiklas, Ivana D. and Petrović, Rada and Janaćković, Đorđe",
year = "2007",
abstract = "The influences of temperature and time on sintering behaviour of nanosized HAP powder were investigate in this paper. The calcium hydroxyapatite powder, with the average crystallite size of 34 +/- 1 nm, was uniaxially pressed at a pressure of 500 MPa. Obtained green compacts were sintered at temperature ranging from 1000 degrees C to 1200 degrees C in air atmosphere at various times. According to the results of scanning electron microscopy, X-ray and FTIR analyses, it is shown that HAP compacts with dense microstructure and average grain size below 250 nm is obtained.",
publisher = "Trans Tech Publications Ltd, Durnten-Zurich",
journal = "Key Engineering Materials",
title = "Sintering behaviour of nanosized HAP powder",
pages = "262-259",
volume = "330-332 I",
url = "https://hdl.handle.net/21.15107/rcub_technorep_1021"
}

Veljović, Đ., Jokić, B., Janković-Častvan, I., Smičiklas, I. D., Petrović, R.,& Janaćković, Đ.. (2007). Sintering behaviour of nanosized HAP powder. in Key Engineering Materials
Trans Tech Publications Ltd, Durnten-Zurich., 330-332 I, 259-262.
https://hdl.handle.net/21.15107/rcub_technorep_1021

Veljović Đ, Jokić B, Janković-Častvan I, Smičiklas ID, Petrović R, Janaćković Đ. Sintering behaviour of nanosized HAP powder. in Key Engineering Materials. 2007;330-332 I:259-262.
https://hdl.handle.net/21.15107/rcub_technorep_1021 .

Veljović, Đorđe, Jokić, Bojan, Janković-Častvan, Ivona, Smičiklas, Ivana D., Petrović, Rada, Janaćković, Đorđe, "Sintering behaviour of nanosized HAP powder" in Key Engineering Materials, 330-332 I (2007):259-262,
https://hdl.handle.net/21.15107/rcub_technorep_1021 .

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Onjia, Antonije
AU  - Raičević, Slavica
PY  - 2005
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/811
AB  - Physicochemical properties of hydroxyapatite (HAP) synthesized by neutralization method are heavily dependent on the process variables. A Plackett-Burman two-level experimental design was therefore, chosen to screen a large number of variables and to determine their effect on HAP characteristics. The sorption of cadmium ions on HAP was studied as well. Of six selected variables (temperature, mixing speed, reactant concentration, addition rate, presence of inert atmosphere and aging time), temperature has shown the strongest influence on HAP structural and sorption properties. Smaller crystallites, lower crystallinity and higher specific surface area lead to higher sorption of cadmium ions. Room temperature and no aging are preferable conditions for the synthesis of HAP with the highest sorption efficiency.
PB  - Elsevier, Amsterdam
T2  - Separation and Purification Technology
T1  - Experimental design approach in the synthesis of hydroxyapatite by neutralization method
EP  - 102
IS  - 2
SP  - 97
VL  - 44
DO  - 10.1016/j.seppur.2004.12.010
ER  - 

@article{
author = "Smičiklas, Ivana D. and Onjia, Antonije and Raičević, Slavica",
year = "2005",
abstract = "Physicochemical properties of hydroxyapatite (HAP) synthesized by neutralization method are heavily dependent on the process variables. A Plackett-Burman two-level experimental design was therefore, chosen to screen a large number of variables and to determine their effect on HAP characteristics. The sorption of cadmium ions on HAP was studied as well. Of six selected variables (temperature, mixing speed, reactant concentration, addition rate, presence of inert atmosphere and aging time), temperature has shown the strongest influence on HAP structural and sorption properties. Smaller crystallites, lower crystallinity and higher specific surface area lead to higher sorption of cadmium ions. Room temperature and no aging are preferable conditions for the synthesis of HAP with the highest sorption efficiency.",
publisher = "Elsevier, Amsterdam",
journal = "Separation and Purification Technology",
title = "Experimental design approach in the synthesis of hydroxyapatite by neutralization method",
pages = "102-97",
number = "2",
volume = "44",
doi = "10.1016/j.seppur.2004.12.010"
}

Smičiklas, I. D., Onjia, A.,& Raičević, S.. (2005). Experimental design approach in the synthesis of hydroxyapatite by neutralization method. in Separation and Purification Technology
Elsevier, Amsterdam., 44(2), 97-102.
https://doi.org/10.1016/j.seppur.2004.12.010

Smičiklas ID, Onjia A, Raičević S. Experimental design approach in the synthesis of hydroxyapatite by neutralization method. in Separation and Purification Technology. 2005;44(2):97-102.
doi:10.1016/j.seppur.2004.12.010 .

Smičiklas, Ivana D., Onjia, Antonije, Raičević, Slavica, "Experimental design approach in the synthesis of hydroxyapatite by neutralization method" in Separation and Purification Technology, 44, no. 2 (2005):97-102,
https://doi.org/10.1016/j.seppur.2004.12.010 . .

TY  - CONF
AU  - Smičiklas, Ivana D.
AU  - Onjia, Antonije E.
PY  - 2003
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7195
AB  - The sorption of both organic and inorganic substances on synthetic hydroxyapatite
(HAP) was studied intensively in the last decade, due to HAP application in diverse fields of
science and technology. In this paper, HAP was synthesized by neutralisation method. The
obtained powder was pure, stoichiometric HAP, with specific surface area of 21 m2
/g,
determined by N2 adsorption. The chromatographic column was filled with the synthesized HAP
powder and the adsorption of n-hexane was studied, at finite surface coverage. Different
volumes of adsorbate were injected (1-6 μl) in the temperature range 433-463 K. Sorption
isotherms were determined, using BET model. From the linear BET equation, monolayer
coverages (αm) and BET constans (C) were calculated, for each working temperature. The
velues of αm were used to estimate the specific surface area. Isosteric heat of adsorption (qst) was
calculated and discussed, as well as the adsorption energy distribution function (χ).
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Programme and the Book of Abstracts / The Fifth Yugoslav Materials Research Society Conference YUCOMAT 2003, Herceg Novi, September, 15-19, 2003
T1  - Inverse gas chromatography study of synthetic hydroxyapatite surface by hexane adsorption at finite surface coverage
SP  - 102
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7195
ER  - 

@conference{
author = "Smičiklas, Ivana D. and Onjia, Antonije E.",
year = "2003",
abstract = "The sorption of both organic and inorganic substances on synthetic hydroxyapatite
(HAP) was studied intensively in the last decade, due to HAP application in diverse fields of
science and technology. In this paper, HAP was synthesized by neutralisation method. The
obtained powder was pure, stoichiometric HAP, with specific surface area of 21 m2
/g,
determined by N2 adsorption. The chromatographic column was filled with the synthesized HAP
powder and the adsorption of n-hexane was studied, at finite surface coverage. Different
volumes of adsorbate were injected (1-6 μl) in the temperature range 433-463 K. Sorption
isotherms were determined, using BET model. From the linear BET equation, monolayer
coverages (αm) and BET constans (C) were calculated, for each working temperature. The
velues of αm were used to estimate the specific surface area. Isosteric heat of adsorption (qst) was
calculated and discussed, as well as the adsorption energy distribution function (χ).",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Programme and the Book of Abstracts / The Fifth Yugoslav Materials Research Society Conference YUCOMAT 2003, Herceg Novi, September, 15-19, 2003",
title = "Inverse gas chromatography study of synthetic hydroxyapatite surface by hexane adsorption at finite surface coverage",
pages = "102",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7195"
}

Smičiklas, I. D.,& Onjia, A. E.. (2003). Inverse gas chromatography study of synthetic hydroxyapatite surface by hexane adsorption at finite surface coverage. in Programme and the Book of Abstracts / The Fifth Yugoslav Materials Research Society Conference YUCOMAT 2003, Herceg Novi, September, 15-19, 2003
Belgrade : Institute of Technical Sciences of SASA., 102.
https://hdl.handle.net/21.15107/rcub_technorep_7195

Smičiklas ID, Onjia AE. Inverse gas chromatography study of synthetic hydroxyapatite surface by hexane adsorption at finite surface coverage. in Programme and the Book of Abstracts / The Fifth Yugoslav Materials Research Society Conference YUCOMAT 2003, Herceg Novi, September, 15-19, 2003. 2003;:102.
https://hdl.handle.net/21.15107/rcub_technorep_7195 .

Smičiklas, Ivana D., Onjia, Antonije E., "Inverse gas chromatography study of synthetic hydroxyapatite surface by hexane adsorption at finite surface coverage" in Programme and the Book of Abstracts / The Fifth Yugoslav Materials Research Society Conference YUCOMAT 2003, Herceg Novi, September, 15-19, 2003 (2003):102,
https://hdl.handle.net/21.15107/rcub_technorep_7195 .

TY  - CONF
AU  - Onjia, Antonije E.
AU  - Smičiklas, Ivana D.
AU  - Babić, Biljana M.
AU  - Milonjić, Slobodan K.
PY  - 2001
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/7202
PB  - Beograd : Srpsko hemijsko društvo
C3  - Zbornik radova / IV Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, Jugoslavija, 23-26 Septembar 2001
T1  - Termodinamički model za adsorpciju jona teških metala iz vode
EP  - 201
SP  - 199
UR  - https://hdl.handle.net/21.15107/rcub_technorep_7202
ER  - 

@conference{
author = "Onjia, Antonije E. and Smičiklas, Ivana D. and Babić, Biljana M. and Milonjić, Slobodan K.",
year = "2001",
publisher = "Beograd : Srpsko hemijsko društvo",
journal = "Zbornik radova / IV Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, Jugoslavija, 23-26 Septembar 2001",
title = "Termodinamički model za adsorpciju jona teških metala iz vode",
pages = "201-199",
url = "https://hdl.handle.net/21.15107/rcub_technorep_7202"
}

Onjia, A. E., Smičiklas, I. D., Babić, B. M.,& Milonjić, S. K.. (2001). Termodinamički model za adsorpciju jona teških metala iz vode. in Zbornik radova / IV Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, Jugoslavija, 23-26 Septembar 2001
Beograd : Srpsko hemijsko društvo., 199-201.
https://hdl.handle.net/21.15107/rcub_technorep_7202

Onjia AE, Smičiklas ID, Babić BM, Milonjić SK. Termodinamički model za adsorpciju jona teških metala iz vode. in Zbornik radova / IV Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, Jugoslavija, 23-26 Septembar 2001. 2001;:199-201.
https://hdl.handle.net/21.15107/rcub_technorep_7202 .

Onjia, Antonije E., Smičiklas, Ivana D., Babić, Biljana M., Milonjić, Slobodan K., "Termodinamički model za adsorpciju jona teških metala iz vode" in Zbornik radova / IV Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, Jugoslavija, 23-26 Septembar 2001 (2001):199-201,
https://hdl.handle.net/21.15107/rcub_technorep_7202 .