A novel Cd2+-imprinted chitosan-based composite membrane for Cd2+ removal from aqueous solution

被引：30
|
作者：
Tang, Xuejiao [1 ]
Gan, Lan [1 ]
Duan, Yuxin [1 ]
Sun, Yanmei [1 ]
Zhang, Yifan [1 ]
Zhang, Zhidan [1 ]
机构：
[1] Nankai Univ, Coll Environm Sci & Engn, Tianjin 300071, Peoples R China
来源：
MATERIALS LETTERS | 2017年 / 198卷
基金：
中国国家自然科学基金;
关键词：
Chitosan-based membrane; Composites materials; FTIR; Tensile strength; Adsorption selectivity; PVDF MEMBRANE; DISTILLATION; ADSORPTION; BEADS;
D O I：
10.1016/j.matlet.2017.04.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A mixed matrix of chitosan (CTS) and poly(vinylidene fluoride) (PVDF) was used to fabricate a novel composite membrane (CTS(Cd2+)/PVDF) via a one-step film-forming process that employs Cd2+- imprinted technology. The membrane was then applied for the selective removal of Cd2+ from aqueous solution. Surface functional groups and morphologies of prepared membranes were characterized. Cd2+ adsorption properties and mechanical tensile strengths of the membranes were investigated. Results showed that the CTS(Cd2+)/PVDF membrane exhibited high Cd2+ adsorption capacity, excellent mechanical tensile strength, and good adsorption selectivity toward Cd2+ in the presence of Pb2+. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：121 / 123
页数：3
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