Effects of diluent polarity on the extraction kinetics I: extraction of Fe(Ⅲ) by HEHEHP

Acta Chimica Sinica ›› 1996, Vol. 54 ›› Issue (11): 1101-1106. Previous Articles Next Articles

Original Articles

稀释剂极性对萃取动力学的影响 I: HEHEHP萃取Fe(Ⅲ)

孙思修;李彦;杨永会;沈静兰

山东大学化学学院

发布日期:1996-11-15

Effects of diluent polarity on the extraction kinetics I: extraction of Fe(Ⅲ) by HEHEHP

SUN SIXIU;LI YAN;YANG YONGHUI;SHEN JINGLAN

Published:1996-11-15

Abstract

The extraction kinetics of iron(Ⅲ) by 2-ethylhexyl-2-ethylhexyl phosphonic acid in different diluents was investigated. The results indicate that the diluent polarity can change not only the extraction rate, but also the kinetic regime, i. e. with the increase in diluent polarity, a transition from a controlling regime of both an interfacial reaction and an aqueous phase reaction to a pure controlling regime of an interfacial reaction would be occurred.

Key words: IRON, PHOSPHONIC ACID ESTER, DILUENTS, NORMAL OCTANE, EXTRACTION KINETICS

CLC Number:

O621.16

Cite this article

SUN SIXIU;LI YAN;YANG YONGHUI;SHEN JINGLAN. Effects of diluent polarity on the extraction kinetics I: extraction of Fe(Ⅲ) by HEHEHP[J]. Acta Chimica Sinica, 1996, 54(11): 1101-1106.

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稀释剂极性对萃取动力学的影响 I: HEHEHP萃取Fe(Ⅲ)

Effects of diluent polarity on the extraction kinetics I: extraction of Fe(Ⅲ) by HEHEHP

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