Treatment of Waste Water Containing High Concentration of Cr(Ⅵ) by Extraction with Trioctylamine

Chinese Journal of Applied Chemistry ›› 1996, Vol. 0 ›› Issue (5): 103-105.

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Treatment of Waste Water Containing High Concentration of Cr(Ⅵ) by Extraction with Trioctylamine

Chu Ying, Liu Peiyan, Yan Surong, Wu Zisheng, Yan Zhong

Department of Chemistry, Northeast Normal Universily, Changchun 130024

Received:1995-12-25 Revised:1996-06-05 Published:1996-10-10 Online:1996-10-10

Abstract

Abstract: A noval extraction system was introduced using trioctylamine as extractant and xylene or kerosene as diluent. This system exhibited high oxidation resistance without interfacial emulsification, therefore, the so-called third phase was not produced in the extraction process. Various factors influencing the extraction effectiveness were discussed. The experimental results of Cr(Ⅵ) recovery from waste water of high concentration Cr(Ⅵ) were reported.

Key words: trioctylamine, Cr(Ⅵ), extraction

Chu Ying, Liu Peiyan, Yan Surong, Wu Zisheng, Yan Zhong. Treatment of Waste Water Containing High Concentration of Cr(Ⅵ) by Extraction with Trioctylamine[J]. Chinese Journal of Applied Chemistry, 1996, 0(5): 103-105.

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Treatment of Waste Water Containing High Concentration of Cr(Ⅵ) by Extraction with Trioctylamine

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