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Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties

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2021
4868.pdf (4.199Mb)
Authors
Mongiovi, Chiara
Morin-Crini, Nadia
Lacalamita, Dario
Bradu, Corina
Raschetti, Marina
Placet, Vincent
Ribeiro, Ana Rita Lado
Ivanovska, Aleksandra
Kostić, Mirjana
Crini, Gregorio
Article (Published version)
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Abstract
Lignocellulosic fibers extracted from plants are considered an interesting raw material for environmentally friendly products with multiple applications. This work investigated the feasibility of using hemp- and flax-based materials in the form of felts as biosorbents for the removal of metals present in aqueous solutions. Biosorption of Al, Cd, Co, Cu, Mn, Ni and Zn from a single solution by the two lignocellulosic-based felts was examined using a batch mode. The parameters studied were initial metal concentration, adsorbent dosage, contact time, and pH. In controlled conditions, the results showed that: (i) the flax-based felt had higher biosorption capacities with respect to the metals studied than the hemp-based felt; (ii) the highest removal efficiency was always obtained for Cu ions, and the following order of Cu > Cd > Zn > Ni > Co > Al > Mn was found for both examined biosorbents; (iii) the process was rapid and 10 min were sufficient to attain the equilibrium; (iv) the efficie...ncy improved with the increase of the adsorbent dosage; and (v) the biosorption capacities were independent of pH between 4 and 6. Based on the obtained results, it can be considered that plant-based felts are new, efficient materials for metal removal.

Keywords:
lignocellulosic fiber / flax / hemp / felt / biosorption / metals
Source:
Molecules, 2021, 26, 14

DOI: 10.3390/molecules26144199

ISSN: 1420-3049

PubMed: 34299474

WoS: 000676376800001

Scopus: 2-s2.0-85111711083
[ Google Scholar ]
8
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4872
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  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Inovacioni centar
TY  - JOUR
AU  - Mongiovi, Chiara
AU  - Morin-Crini, Nadia
AU  - Lacalamita, Dario
AU  - Bradu, Corina
AU  - Raschetti, Marina
AU  - Placet, Vincent
AU  - Ribeiro, Ana Rita Lado
AU  - Ivanovska, Aleksandra
AU  - Kostić, Mirjana
AU  - Crini, Gregorio
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4872
AB  - Lignocellulosic fibers extracted from plants are considered an interesting raw material for environmentally friendly products with multiple applications. This work investigated the feasibility of using hemp- and flax-based materials in the form of felts as biosorbents for the removal of metals present in aqueous solutions. Biosorption of Al, Cd, Co, Cu, Mn, Ni and Zn from a single solution by the two lignocellulosic-based felts was examined using a batch mode. The parameters studied were initial metal concentration, adsorbent dosage, contact time, and pH. In controlled conditions, the results showed that: (i) the flax-based felt had higher biosorption capacities with respect to the metals studied than the hemp-based felt; (ii) the highest removal efficiency was always obtained for Cu ions, and the following order of Cu > Cd > Zn > Ni > Co > Al > Mn was found for both examined biosorbents; (iii) the process was rapid and 10 min were sufficient to attain the equilibrium; (iv) the efficiency improved with the increase of the adsorbent dosage; and (v) the biosorption capacities were independent of pH between 4 and 6. Based on the obtained results, it can be considered that plant-based felts are new, efficient materials for metal removal.
T2  - Molecules
T1  - Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties
IS  - 14
VL  - 26
DO  - 10.3390/molecules26144199
ER  - 
@article{
author = "Mongiovi, Chiara and Morin-Crini, Nadia and Lacalamita, Dario and Bradu, Corina and Raschetti, Marina and Placet, Vincent and Ribeiro, Ana Rita Lado and Ivanovska, Aleksandra and Kostić, Mirjana and Crini, Gregorio",
year = "2021",
abstract = "Lignocellulosic fibers extracted from plants are considered an interesting raw material for environmentally friendly products with multiple applications. This work investigated the feasibility of using hemp- and flax-based materials in the form of felts as biosorbents for the removal of metals present in aqueous solutions. Biosorption of Al, Cd, Co, Cu, Mn, Ni and Zn from a single solution by the two lignocellulosic-based felts was examined using a batch mode. The parameters studied were initial metal concentration, adsorbent dosage, contact time, and pH. In controlled conditions, the results showed that: (i) the flax-based felt had higher biosorption capacities with respect to the metals studied than the hemp-based felt; (ii) the highest removal efficiency was always obtained for Cu ions, and the following order of Cu > Cd > Zn > Ni > Co > Al > Mn was found for both examined biosorbents; (iii) the process was rapid and 10 min were sufficient to attain the equilibrium; (iv) the efficiency improved with the increase of the adsorbent dosage; and (v) the biosorption capacities were independent of pH between 4 and 6. Based on the obtained results, it can be considered that plant-based felts are new, efficient materials for metal removal.",
journal = "Molecules",
title = "Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties",
number = "14",
volume = "26",
doi = "10.3390/molecules26144199"
}
Mongiovi, C., Morin-Crini, N., Lacalamita, D., Bradu, C., Raschetti, M., Placet, V., Ribeiro, A. R. L., Ivanovska, A., Kostić, M.,& Crini, G.. (2021). Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties. in Molecules, 26(14).
https://doi.org/10.3390/molecules26144199
Mongiovi C, Morin-Crini N, Lacalamita D, Bradu C, Raschetti M, Placet V, Ribeiro ARL, Ivanovska A, Kostić M, Crini G. Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties. in Molecules. 2021;26(14).
doi:10.3390/molecules26144199 .
Mongiovi, Chiara, Morin-Crini, Nadia, Lacalamita, Dario, Bradu, Corina, Raschetti, Marina, Placet, Vincent, Ribeiro, Ana Rita Lado, Ivanovska, Aleksandra, Kostić, Mirjana, Crini, Gregorio, "Biosorbents from Plant Fibers of Hemp and Flax for Metal Removal: Comparison of Their Biosorption Properties" in Molecules, 26, no. 14 (2021),
https://doi.org/10.3390/molecules26144199 . .

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