Preparation and application of a novel magnetic anion exchange resin for selective nitrate removal

被引：14
|
作者：
Zhou, Yang [1 ]
Shuang, Chen Dong [1 ]
Zhou, Qing [1 ]
Zhang, Man Cheng [1 ]
Li, Peng Hui [1 ]
Li, Ai Min [1 ]
机构：
[1] Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resources Reuse, Nanjing 210046, Jiangsu, Peoples R China
来源：
CHINESE CHEMICAL LETTERS | 2012年 / 23卷 / 07期
关键词：
Magnetic resin; MIEX; Nitrate; Selective removal; Adsorption; Anion exchange; ION-EXCHANGE;
D O I：
10.1016/j.cclet.2012.05.010
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel magnetic anion exchange resin NDM-1 was prepared through suspension polymerization and then functionalized with ammonolysis and alkylating agents. Its application for selective removal of nitrate was performed in comparison with MIEX (R). The results demonstrated that NDM-1 achieved higher efficiency in nitrate removal than MIEX (R) did, with or without the existence of competing anion SO42- ascribed to its longer alkyl chains on exchange sites. Combined with the advantage of easy separation due to gamma-Fe2O3 implanted, the magnetic anion exchange resin NDM-1 was considered to be superior to MIEX (R) for nitrate removal in practical application. (C) 2012 Ai Min Li. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
引用
收藏
页码：813 / 816
页数：4
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