ADSORPTION OF TRACE HYDROPHOBIC COMPOUNDS FROM WATER ON SURFACTANT-COATED ALUMINA

被引：64

作者：

VALSARAJ, KT

机构：

[1] Department of Chemical Engineering, Louisiana State University, Baton Rouge, Louisiana

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1992年 / 27卷 / 12期

关键词：

D O I：

10.1080/01496399208029228

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The adsorption of several hydrophobic organic compounds (HOCs) from water on alumina coated by sodium dodecylsulfate surfactant "hemimicelles" is discussed. This provides a convenient way of concentrating them on a metal oxide solid support such as alumina. Alumina can be subsequently regenerated with a minimum effort such as a change of pH of the aqueous solution. Adsorption studies showed that the partition constants of HOCs with hemimicelles of sodium dodecylsulfate on alumina is linearly related to their octanol-water partition constants. Surfactant-coated alumina was a better adsorption surface for HOCs than natural soils.

引用

页码：1633 / 1642

页数：10

共 21 条

[1] ELECTRICAL ASPECTS OF ADSORBING COLLOID FLOTATION .18. NMR-STUDIES OF SODIUM DODECYL-SULFATE SORBED ON AL(OD)3 [J].