Adsorption of Heavy Metal Ions in Water by Modified Chitosan Adsorption Materials

被引：0
|
作者：
Feng S. [1 ]
Zu Y. [1 ]
Zhao C. [1 ]
Gong M. [1 ]
Xin Y. [1 ]
Jiang W. [1 ]
Wang D. [1 ]
机构：
[1] Daqing Petrochemical Research Center, Petrochemical Research Institute, PetroChina Company Limited, Daqing
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2022年 / 38卷 / 08期
关键词：
Adsorption; Chitosan; Heavy metal ions; Modification; Water pollution;
D O I：
10.16865/j.cnki.1000-7555.2022.0184
中图分类号：
学科分类号：
摘要：
In recent years, water pollution has become a serious environmental problem and has attracted international attention. Adsorption has been widely used to remove heavy metal ions from water due to its simple, economical and efficient process. As a biopolymer, chitosan (CS) can not only adsorb and recover metal ions from water, but also be used to prepare novel adsorbents with selectivity and better adsorption performance. This paper introduced the research status of chitosan-based adsorbents, summarized the preparation and modification methods of chitosan, and the adsorption mechanism of chitosan- based adsorbent and several modification mechanisms widely used at present were described in detail. Combined with the research situation at home and abroad in recent years, the application effect of modified chitosan adsorption materials in the treatment of heavy metal ions in water was further sorted out. Some deficiencies in the current research and the future development direction were pointed out in order to provide some help for the follow-up research. © 2022, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：185 / 190
页数：5
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