Heavy metal removal from water by adsorption using pillared montmorillonite

被引:0
|
作者
Liu, Yun [1 ]
Wu, Pingxiao [1 ]
Dang, Zhi [1 ]
Ye, Daiqi [1 ]
机构
[1] S China Univ Technol, Coll Environm Sci & Engn, Guangzhou 510640, Peoples R China
关键词
sodium dodecylsulfate; hydroxyaluminosilicate; montmorillonite; metal ions adsorption; Langmuir model; kinetics;
D O I
暂无
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
Removal of Cu2+, Cr3+ and Cd2+ from aqueous solutions by adsorption on montmorillonite modified by sodium dodecylsulfate (SDS) and hydroxy-alumino-silicate (HAS) was investigated. Experiments were carried out as a function of solution pH, solute concentration, and time. The Langmuir model was adopted to describe the single-solute adsorption isotherm, in which the Langmuir parameters were directly taken from those obtained in single-solute systems. The kinetics of metal ions adsorption was examined and the pseudo-first-order rate constant was finally evaluated.
引用
收藏
页码:219 / 225
页数:7
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