Adsorptive Removal of Copper Ions from Aqueous Solution Using Cross-linked Magnetic Chitosan Beads

黄国林; 杨婥; 章凯; SHI Jeffrey

doi:10.1016/S1004-9541(08)60303-1

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Adsorptive Removal of Copper Ions from Aqueous Solution Using Cross-linked Magnetic Chitosan Beads

Updated：2026-01-06

- Adsorptive Removal of Copper Ions from Aqueous Solution Using Cross-linked Magnetic Chitosan Beads
- Chinese Journal of Chemical Engineering Vol. 17, Issue 6, Pages: 960-966(2009)
- Affiliations：
  
  1. Key Laboratory of Nuclear Resources and Environment of Ministry of Education, East China Institute of Technology,Jiangxi,China,344000
  2. School of Chemical and Biomolecular Engineering, The University of Sydney,Sydney,Australia,2006
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60303-1
  CLC：
- Published：2009
- Accepted：
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HUANG Guolin, YANG Chuo, ZHANG Kai, SHI Jeffrey. Adsorptive Removal of Copper Ions from Aqueous Solution Using Cross-linked Magnetic Chitosan Beads[J]. , 2009, 17(6): 960-966.
DOI：

HUANG Guolin, YANG Chuo, ZHANG Kai, SHI Jeffrey. Adsorptive Removal of Copper Ions from Aqueous Solution Using Cross-linked Magnetic Chitosan Beads[J]. , 2009, 17(6): 960-966. DOI： 10.1016/S1004-9541(08)60303-1.

摘要

The performance of cross-linked magnetic chitosan

coated with magnetic fluids and cross-linked with epichlorohydrin

was investigated for the adsorption of copper(Ⅱ) from aqueous solutions.Infrared spectra of chitosan before and after modification showed that the coating and cross-linking are effective.Experiments were performed at different pH of solution and contact time

and appropriate conditions for the adsorption of Cu(II) were determined.Experimental equilibrium data were correlated with Langmuir and Freundlich isotherms for determination of the adsorption p

otential.The results showed that the Langmuir isotherm was better compared with the Freundlich isotherm

and the uptake of Cu(Ⅱ) was 78.13 mg·g

-1

.The kinetics of adsorption corresponded with the first-order Langergren rate equation

and Langergren rate constants were determined.

Abstract

The performance of cross-linked magnetic chitosan

coated with magnetic fluids and cross-linked with epichlorohydrin

was investigated for the adsorption of copper(II) from aqueous solutions.Infrared spectra of chitosan before and after modification showed that the coating and cross-linking are effective.Experiments were performed at different pH of solution and contact time

and appropriate conditions for the adsorption of Cu(II) were determined.Experimental equilibrium data were correlated with Langmuir and Freundlich isotherms for determination of the adsorption potential.The results showed that the Langmuir isotherm was better compared with the Freundlich isotherm

and the uptake of Cu(II) was 78.13 mg·g

-1

.The kinetics of adsorption corresponded with the first-order Langergren rate equation

and Langergren rate constants were determined.

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