Adsorption of trace levels of bromate from aqueous solution by organo-montmorillonite

被引：32
|
作者：
Chitrakar, Ramesh [1 ]
Makita, Yoji [1 ]
Sonoda, Akinari [1 ]
Hirotsu, Takahiro [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Hlth Res Inst, Takamatsu, Kagawa 7610395, Japan
来源：
APPLIED CLAY SCIENCE | 2011年 / 51卷 / 03期
关键词：
Organo-montmorillonite; Bromate; Adsorption; Selectivity; ACTIVATED CARBON; DRINKING-WATER; REDUCTION; REMOVAL; IODIDE; IRON;
D O I：
10.1016/j.clay.2010.11.033
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Organo-montmorillonite was prepared by the modification of montmorillonite (Mont) with cetylpyridinium chloride (CPC), benzethonium chloride (BC) or hexadecyl trimethylammonium chloride (HDTMAC) to study the adsorption of bromate from aqueous solutions. The adsorption from a 0.78 mu M bromate solution on CPC-Mont occurred rapidly. The equilibrium was attained within 2 h at bromate concentrations <0.078 mu M, the maximum contaminant level established for drinking water. BC-Mont and HDTMAC-Mont were not effective for the adsorption of bromate in trace concentrations. (c) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：375 / 379
页数：5
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