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Preparation, Characterization, and Adsorption Properties of Chitosan Microspheres Crosslinked by Formaldehyde for Copper (II) from Aqueous Solution

被引：34
作者：
Du, Wen-Li [1 ]
Niu, Shan-Shan [2 ]
Xu, Zi-Rong [1 ]
Xu, Ying-Lei [1 ]
机构：
[1] Zhejiang Univ, Key Lab Mol Anim Nutr, Minist Educ, Inst Feed Sci,Coll Anim Sci, Hangzhou 310029, Zhejiang, Peoples R China
[2] Zhejiang Univ, State Agr Minist, Lab Hort Plant Growth Dev & Biotechnol, Dept Hort, Hangzhou 310029, Zhejiang, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2009年 / 111卷 / 06期
关键词：
chitosan microspheres; spray drying; adsorption; copper (II); CU(II) IONS; WASTE-WATER; REMOVAL; KINETICS; EQUILIBRIUM; BIOSORPTION; ADSORBENTS; DESORPTION; BEADS;
D O I：
10.1002/app.29247
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The chitosan microspheres crosslinked by formaldehyde were prepared by spray drying method and used as an adsorbent for copper (II) from aqueous Solution. A batch adsorption system was applied to study the adsorption of copper (II) from aqueous solution by chitosan microspheres. The maximum adsorption capacity of the chitosan microspheres for copper (II) was 114.928 mg/g at pH 6.0. Langmuir adsorption model was found to be applicable in interpreting the adsorption process. To elucidate the adsorption mechanism, the chitosan microspheres before and after copper (II) adsorption were further characterized by Fourier transform infrared spectra, zeta potential analysis, and scanning electron microscope. (C) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 111: 2881-2885, 2009
引用
收藏
页码：2881 / 2885
页数：5
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