Foam Fractionation for Recovery of Gold (Ⅲ) from Electroplating Wastewater

Chen Shuhui; Chu Jiaying and Jiang Tiqian(East China Institute of Chemical Technology; Shanghai 200237)

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Foam Fractionation for Recovery of Gold (Ⅲ) from Electroplating Wastewater

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- Foam Fractionation for Recovery of Gold (Ⅲ) from Electroplating Wastewater
- CIESC Journal Issue 6, (1991)
- 作者机构：
  
  华东化工学院,华东化工学院,华东化工学院上海200237,上海200237,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1991，
  
  Published：25 December 1991
- 稿件说明：
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Chen Shuhui, Chu Jiaying and Jiang Tiqian(East China Institute of Chemical Technology, Shanghai 200237). Foam Fractionation for Recovery of Gold (Ⅲ) from Electroplating Wastewater[J]. CIESC Journal, 1991, (6).
DOI：

Chen Shuhui, Chu Jiaying and Jiang Tiqian(East China Institute of Chemical Technology, Shanghai 200237). Foam Fractionation for Recovery of Gold (Ⅲ) from Electroplating Wastewater[J]. CIESC Journal, 1991, (6). DOI：

摘要

泡沫分离是一种新的分离技术

在国外研究工作已取得了不少成果.Jorne和Rubin在研究金属离子泡沫分离的基础上

提出的Goug chapman扩散双电层理论

阐述了利用相反电荷的金属离子与表面活性剂离子之间的静电吸引作用

达到金属离子的泡沫分离.Rubin和Lapp、Charewicz和Grives等人通过对泡沫分离金属离子的研究表明:pH值是一个重要的影响因素.同时

离子强度可以改变表面活性剂的选择性.Bruner和Stephan采用泡沫分离方法脱除洗涤剂厂排放的一级及二级污水中的表面活性剂

试验结果表明:塔式泡沫分离装置比槽式装置有更高的脱除率.

Abstract

In this paper

the recovery of gold(Ⅲ)from electroplating wastewater with surfactant cetyl trimethyl ammonium bromide by foam fractionation is discussed. The adsorption equilibrium equation was estimated by flow method. The effects on the efficiency of separation of various operating parameters

such as feed concentration

gas to feed ratio

reflux

feed rate and pH of the feed were studied. Consequently

the optimal operating condition of the system was Obtained.

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