SEPARATION OF ORGANIC-DYES FROM WASTE-WATER BY USING COLLOIDAL GAS APHRONS

被引：92

作者：

ROY, D ^{[1
]}

VALSARAJ, KT ^{[1
]}

KOTTAI, SA ^{[1
]}

机构：

[1] LOUISIANA STATE UNIV,DEPT CHEM ENGN,BATON ROUGE,LA 70803

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1992年 / 27卷 / 05期

基金：

美国国家科学基金会;

关键词：

COLLOIDAL GAS APHRONS; SEPARATION; ORGANIC DYES; SURFACTANTS; FLOTATION;

D O I：

10.1080/01496399208018903

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Auxiliary chemicals used in the preparation of water-based dyes have been reported to pose problems in conventional wastewater treatment processes. The dye manufacturing industries have to find alternate wastewater treatment processes to remove dyes from their waste effluents. This paper investigates a novel method of separation of dyes by flotation using colloidal gas aphrons (CGAs). The results indicate that this is an effective, method for the separation of synthetic dyes from wastewater. The mechanism of removal has been shown to be ion coupling of the oppositely charged species of the surfactant forming the CGA and the dye and flotation of the ion-dye complex on the surface of CGA microbubbles.

引用

页码：573 / 588

页数：16

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