Separation of toluene and n-heptane through emulsion liquid membranes containing Ag+ as carrier

被引：5

作者：

Chakraborty, M ^{[1
]}

Bart, HJ ^{[1
]}

机构：

[1] Univ Kaiserslautern, Dept Mech & Proc Engn, D-67663 Kaiserslautern, Germany

来源：

CHEMICAL ENGINEERING & TECHNOLOGY | 2005年 / 28卷 / 12期

关键词：

D O I：

10.1002/ceat.200500239

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Using silver ions as carrier in oil/water/oil-type emulsion liquid membranes, batch wise extraction experiments were carried out to separate toluene from a mixture of toluene and n-heptane. The separation performances, represented by the permeation rate, emulsion stability, and separation factor, were analyzed systematically by varying the operating parameters, viz., contact time, concentration of Ag+, emulsification time, surfactant concentration, membrane stabilizer concentration, relative amount of solvent, and initial feed phase concentration. The emulsion liquid membranes thus formed are stable, and Ag+ and surfactant concentrations strongly affect the permeation behavior of toluene.

引用

页码：1518 / 1524

页数：7

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