Sorption of heavy metal ions onto carboxylate chitosan derivatives-A mini-review

被引：152

作者：

Boamah, Peter Osei ^{[1
,2
]}

Huang, Yan ^{[1
]}

Hua, Mingqing ^{[1
]}

Zhang, Qi ^{[1
,3
]}

Wu, Jingbo ^{[1
]}

Onumah, Jacqueline ^{[2
]}

Sam-Amoah, Livingstone K. ^{[4
]}

Boamah, Paul Osei ^{[5
]}

机构：

[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China

[2] Bolgatanga Polytech, Dept Ecol Agr, Bolgatanga, Ghana

[3] Hainan Univ, Hainan Prov Key Lab Fine Chem, Haikou 570228, Peoples R China

[4] Univ Cape Coast, Sch Agr, Cape Coast, Ghana

[5] MMG, Dept Geol, Geraldton, WA, Australia

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2015年 / 116卷

基金：

中国国家自然科学基金;

关键词：

Carboxylate chitosan derivatives; Preparation; Characterization; Sorption; Heavy metals; LINKED CARBOXYMETHYL-CHITOSAN; MOLECULAR-WEIGHT-CHITOSAN; FRESH-WATER CRAB; PH-SENSITIVE HYDROGEL; N-SUCCINYL-CHITOSAN; AQUEOUS-SOLUTIONS; ADSORPTION PROPERTIES; CU(II) IONS; REMOVAL; CADMIUM;

D O I：

10.1016/j.ecoenv.2015.01.012

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Chitosan is of importance for the elimination of heavy metals due to their outstanding characteristics such as the presence of NH2 and -OH functional groups, non-toxicity, low Cost and, large available quantities. Modifying a chitosan structure with -COOH group improves it in terms of solubility at pH <= 7 without affecting the aforementioned characteristics. Chitosan modified with a carboxylic group possess carboxyl, amino and hydroxyl multifunctional groups which are good for elimination of metal ions. The focal point of this mini-review will be on the preparation and characterization of some carboxylate chitosan derivatives as a sorbent for heavy metal sorption. (C) 2015 Elsevier Inc. All rights reserved.

引用

页码：113 / 120

页数：8

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