Veljovic, Sonja

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  • Veljovic, Sonja (2)

Author's Bibliography

Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste

Ivanovska, Aleksandra; Veljovic, Sonja; Reljic, Mirjana; Lađarević, Jelena; Pavun, Leposava; Natic, Maja; Kostić, Mirjana

(2022)

TY  - JOUR
AU  - Ivanovska, Aleksandra
AU  - Veljovic, Sonja
AU  - Reljic, Mirjana
AU  - Lađarević, Jelena
AU  - Pavun, Leposava
AU  - Natic, Maja
AU  - Kostić, Mirjana
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4988
AB  - This study reports the successful transformation of mulberry wood waste into natural textile dye and adsorbent for Pb2+ ions from an aqueous solution. Fabrics of different chemical compositions were dyed using mulberry wood extract, whereas wool possessed the best appearance and color fastness to washing. Among differently dyed wool fabrics, those dyed with 15% extract for 5 h has the highest color strength (K/S = 11.24) and antioxidant activity (83.5%), and the best color and antioxidant activity fastness to washing, making it appropriate for protecting the skin from diverse damages by decelerating the effect of free radical. Moreover, it could be suggested that the binding mechanism proceeds via strong hydrogen bonds between wool surface carboxylate groups and characteristic phenolics found in the extract (dominantly taxifolin, oxyresveratrol, ellagic acid, and tannins). The mulberry wood solid parts separated after the extraction were further evaluated as adsorbents for Pb2+ ions. The highest lead removal was achieved at a solution pH of 5.5, while the equilibrium removal was reached after 4 h of contact time. At 20 mg/l initial lead concentration, the mulberry wood waste removal efficiency was 98.8%. The results of this study represent a step forward to a healthier, cleaner, and more sustainable society.
T2  - Journal of Natural Fibers
T1  - Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste
EP  - 11063
IS  - 15
SP  - 11050
VL  - 19
DO  - 10.1080/15440478.2021.2009398
ER  - 
@article{
author = "Ivanovska, Aleksandra and Veljovic, Sonja and Reljic, Mirjana and Lađarević, Jelena and Pavun, Leposava and Natic, Maja and Kostić, Mirjana",
year = "2022",
abstract = "This study reports the successful transformation of mulberry wood waste into natural textile dye and adsorbent for Pb2+ ions from an aqueous solution. Fabrics of different chemical compositions were dyed using mulberry wood extract, whereas wool possessed the best appearance and color fastness to washing. Among differently dyed wool fabrics, those dyed with 15% extract for 5 h has the highest color strength (K/S = 11.24) and antioxidant activity (83.5%), and the best color and antioxidant activity fastness to washing, making it appropriate for protecting the skin from diverse damages by decelerating the effect of free radical. Moreover, it could be suggested that the binding mechanism proceeds via strong hydrogen bonds between wool surface carboxylate groups and characteristic phenolics found in the extract (dominantly taxifolin, oxyresveratrol, ellagic acid, and tannins). The mulberry wood solid parts separated after the extraction were further evaluated as adsorbents for Pb2+ ions. The highest lead removal was achieved at a solution pH of 5.5, while the equilibrium removal was reached after 4 h of contact time. At 20 mg/l initial lead concentration, the mulberry wood waste removal efficiency was 98.8%. The results of this study represent a step forward to a healthier, cleaner, and more sustainable society.",
journal = "Journal of Natural Fibers",
title = "Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste",
pages = "11063-11050",
number = "15",
volume = "19",
doi = "10.1080/15440478.2021.2009398"
}
Ivanovska, A., Veljovic, S., Reljic, M., Lađarević, J., Pavun, L., Natic, M.,& Kostić, M.. (2022). Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste. in Journal of Natural Fibers, 19(15), 11050-11063.
https://doi.org/10.1080/15440478.2021.2009398
Ivanovska A, Veljovic S, Reljic M, Lađarević J, Pavun L, Natic M, Kostić M. Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste. in Journal of Natural Fibers. 2022;19(15):11050-11063.
doi:10.1080/15440478.2021.2009398 .
Ivanovska, Aleksandra, Veljovic, Sonja, Reljic, Mirjana, Lađarević, Jelena, Pavun, Leposava, Natic, Maja, Kostić, Mirjana, "Closing the Loop: Dyeing and Adsorption Potential of Mulberry Wood Waste" in Journal of Natural Fibers, 19, no. 15 (2022):11050-11063,
https://doi.org/10.1080/15440478.2021.2009398 . .
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A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection

Ivanovska, Aleksandra; Veljovic, Sonja; Dojčinović, Biljana; Tadic, Nenad; Mihajlovski, Katarina; Natic, Maja; Kostić, Mirjana

(2021)

TY  - JOUR
AU  - Ivanovska, Aleksandra
AU  - Veljovic, Sonja
AU  - Dojčinović, Biljana
AU  - Tadic, Nenad
AU  - Mihajlovski, Katarina
AU  - Natic, Maja
AU  - Kostić, Mirjana
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4877
AB  - In this investigation, the possibility of wood waste (hardwoods such as oaks' and alternatives' staves from Balkan cooperage) revalorization for simultaneous cadmium removal and wastewater disinfection was examined. All samples were characterized in terms of their crystallinity index and crystallite size, amount of functional groups, and surface chemistry (determined by ATR-FTIR) as well as antibacterial activity. Mulberry is characterized by the lowest crystallinity index which can be ascribed to the highest crystallite size disabling crystallite denser packaging, while myrobalan plum has about 23% lower crystallite size that enables crystallite better packaging, thus resulting in a 42.4% higher crystallinity index compared to the mulberry. All oaks have a significantly higher amount of carboxyl groups compared to the alternatives (0.23-0.28 vs. 0.12-0.19 mmol/g). The adsorption experiments revealed that with increasing the initial cadmium concentration from 15 up to 55 mg/g, samples' adsorption capacity increases by 89-220%. The equilibrium data fit well with the Langmuir isotherm model implying monolayer coverage of cadmium ions over a homogeneous wood surface. The relationship between the samples' maximum adsorption capacities (ranged from 5.726 to 12.618 mg/g), their crystallinity index, and crystallite size was established. According to ATR-FTIR spectra, aldehyde, carboxyl, hydroxyl, and phenyl groups present on the wood waste surface are involved in Cd2+ adsorption which proceeds via the interplay of the complexation, cation-pi interactions, and ion-exchange mechanisms. Mulberry and myrobalan plum showed about 89% and 80% of the total uptake capacity of cadmium within 60 min, while the equilibrium was attained after 240 min of contact time. Good compliance with pseudo-second kinetic order indicated that cadmium adsorption was mediated by chemical forces. Thermodynamic parameters revealed the spontaneous and exothermic character of cadmium ion adsorption onto mulberry and myrobalan plum. All studied samples provide maximum bacterial reduction (>99%) for E. coli and S. aureus. Wood waste from Balkan cooperage can be successfully used for simultaneous cadmium removal and wastewater disinfection.
T2  - Adsorption Science & Technology
T1  - A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection
VL  - 2021
DO  - 10.1155/2021/3552300
ER  - 
@article{
author = "Ivanovska, Aleksandra and Veljovic, Sonja and Dojčinović, Biljana and Tadic, Nenad and Mihajlovski, Katarina and Natic, Maja and Kostić, Mirjana",
year = "2021",
abstract = "In this investigation, the possibility of wood waste (hardwoods such as oaks' and alternatives' staves from Balkan cooperage) revalorization for simultaneous cadmium removal and wastewater disinfection was examined. All samples were characterized in terms of their crystallinity index and crystallite size, amount of functional groups, and surface chemistry (determined by ATR-FTIR) as well as antibacterial activity. Mulberry is characterized by the lowest crystallinity index which can be ascribed to the highest crystallite size disabling crystallite denser packaging, while myrobalan plum has about 23% lower crystallite size that enables crystallite better packaging, thus resulting in a 42.4% higher crystallinity index compared to the mulberry. All oaks have a significantly higher amount of carboxyl groups compared to the alternatives (0.23-0.28 vs. 0.12-0.19 mmol/g). The adsorption experiments revealed that with increasing the initial cadmium concentration from 15 up to 55 mg/g, samples' adsorption capacity increases by 89-220%. The equilibrium data fit well with the Langmuir isotherm model implying monolayer coverage of cadmium ions over a homogeneous wood surface. The relationship between the samples' maximum adsorption capacities (ranged from 5.726 to 12.618 mg/g), their crystallinity index, and crystallite size was established. According to ATR-FTIR spectra, aldehyde, carboxyl, hydroxyl, and phenyl groups present on the wood waste surface are involved in Cd2+ adsorption which proceeds via the interplay of the complexation, cation-pi interactions, and ion-exchange mechanisms. Mulberry and myrobalan plum showed about 89% and 80% of the total uptake capacity of cadmium within 60 min, while the equilibrium was attained after 240 min of contact time. Good compliance with pseudo-second kinetic order indicated that cadmium adsorption was mediated by chemical forces. Thermodynamic parameters revealed the spontaneous and exothermic character of cadmium ion adsorption onto mulberry and myrobalan plum. All studied samples provide maximum bacterial reduction (>99%) for E. coli and S. aureus. Wood waste from Balkan cooperage can be successfully used for simultaneous cadmium removal and wastewater disinfection.",
journal = "Adsorption Science & Technology",
title = "A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection",
volume = "2021",
doi = "10.1155/2021/3552300"
}
Ivanovska, A., Veljovic, S., Dojčinović, B., Tadic, N., Mihajlovski, K., Natic, M.,& Kostić, M.. (2021). A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection. in Adsorption Science & Technology, 2021.
https://doi.org/10.1155/2021/3552300
Ivanovska A, Veljovic S, Dojčinović B, Tadic N, Mihajlovski K, Natic M, Kostić M. A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection. in Adsorption Science & Technology. 2021;2021.
doi:10.1155/2021/3552300 .
Ivanovska, Aleksandra, Veljovic, Sonja, Dojčinović, Biljana, Tadic, Nenad, Mihajlovski, Katarina, Natic, Maja, Kostić, Mirjana, "A Strategy to Revalue a Wood Waste for Simultaneous Cadmium Removal and Wastewater Disinfection" in Adsorption Science & Technology, 2021 (2021),
https://doi.org/10.1155/2021/3552300 . .
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