Study on Adsorption of Cu(II) on Chitosan Nanofiber Membranes

被引：3
作者：
Cao, Jianhua [1 ]
Li, Dongzhou [1 ]
Liang, Weihua [1 ]
Wu, Dayong [1 ]
机构：
[1] Chinese Acad Sci, Res Ctr Funct Polymer Mat, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
来源：
INTERNATIONAL JOURNAL OF NANOSCIENCE | 2014年 / 13卷 / 5-6期
基金：
中国国家自然科学基金;
关键词：
Chitosan nanofibers; adsorption; heavy metal;
D O I：
10.1142/S0219581X14600096
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Chitosan nano fiber membranes by electrospinning technique were used to remove Cu(II) from aqueous solution. The adsorption kinetics, equilibrium isotherms, and pH effect were investigated in batch experiments. The Langmuir isotherm and pseudo second-order kinetic models agree well with the experimental data. The chitosan nano fiber membranes are effective for Cu (II) adsorption at pH6. Results showed that the maximum adsorption capacity of the chitosan nano fiber membranes with Cu( II) is 118.62 mg g(-1). The chitosan nano fiber membranes can be used as an effective adsorbent for the removal of Cu(II) in aqueous solution due to high adsorption capacity.
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页数：8
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