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Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 11,





LAURENTIU TEODOR BUSUIOC, CLAUDIA MARIA SIMONESCU, RODICA-ELENA PATESCU, CRISTIAN ONOSE, IOANA MELINTE, CAMELIA CAPATINA, RAMONA AMINA POPOVICI, TIBERIU CRISTEA
The Kinetic and Modeling Study of Zinc Sorption onto Chitosan-glutaraldehyde Beads

Abstract:

The aim of this research study was to investigate the effectiveness of chitosan beads chemically by crosslinking with glutaraldehyde in zinc removal from aqueous solutions. The effect of the followings parameters such as: glutaraldehyde concentration used in obtaining copolymers, zinc level in initial solution, time, and pH value was investigated. The equilibrium data were evaluated using Langmuir and Freundlich isotherm models. The kinetics was analyzed with the pseudo-first-order rate equation, the pseudo-second-order rate equation and intraparticle diffusion. The results of this research study can lead to the conclusion that chitosan-glutaraldehyde can be used as a cost-effective material for the removal of zinc from aqueous solutions and wastewater. Keywords: zinc removal, zinc sorption, chitosan chemical modification


Issue: 2015, Volume 66, Issue 11
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