Study on the adsorption properties of Al-pillared montmorillonites

被引：0
|
作者：
Fan, LZ
Nan, CW [1 ]
Liao, LB
机构：
[1] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
[2] China Univ Geosci, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
FUNCTIONALLY GRADED MATERIALS VII | 2003年 / 423-4卷
关键词：
Al-Keggin ion; adsorption; fluoride; pillared montmorillonite;
D O I：
10.4028/www.scientific.net/MSF.423-425.227
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Al-pillared montmorillonites were prepared by ion exchange reaction and characterized by X-ray diffraction and traditional chemical elemental analysis. The optimum conditions for fluoride adsorption such as vibrating time, sample dosage, pH value and original concentration of fluoride were studied by orthogonal experiments. The stabilities of pillars on pillared montmorillonites were also investigated. The results showed that Al-pillared montmorillonites have high adsorption capacity and adsorption percent. Their adsorption isotherms belong to the Freundlich type.
引用
收藏
页码：227 / 230
页数：4
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