Effect of surfactants on the adsorption behaviour of cerium (IV) phosphate, cation exchanger for alkaline earths and heavy metal ions

被引：19

作者：

Varshney, K. G. ^{[1
]}

Rafiquee, M. Z. A. ^{[1
]}

Somya, Amita ^{[1
]}

机构：

[1] Aligarh Muslim Univ, ZH Coll Engn & Technol, Dept Appl Chem, Aligarh 202002, Uttar Pradesh, India

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2007年 / 301卷 / 1-3期

关键词：

fibrous ion exchanger; surfactants; micelles; adsorption; pollution control;

D O I：

10.1016/j.colsurfa.2006.12.025

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：

Cerium(IV) phosphate (CePf) has been synthesized as a fibrous ion exchange material. Its adsorption studies have been carried out for some alkaline earth and heavy metal ions in different acidic media. Effect of anionic (SIDS, SDBS), cationic (CTAB, DPC) and nonionic (TX-100) surfactants has also been studied on the adsorption behaviour of CePf for the above metals. Micelles of anionic surfactants decrease the adsorption of heavy metals [except Hg(II)] on CePf while adsorption of alkaline earths remains constant. The micelles of cationic and nonionic surfactants, on the other hand, increase the adsorption of alkaline earths and heavy metals. These adsorption studies have been found helpful in the removal of the ionic pollutants from aqueous media effectively. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：69 / 72

页数：4

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