Reversed Micelle Synergistic Extraction from Phosphonium Ionic Liquid Extractants in Diluent for Rare Earth

被引：17

作者：

Dong, Yamin ^{[1
,2
]}

Sun, Xiaoqi ^{[1
]}

Wang, Yanliang ^{[1
]}

Chai, Yujun ^{[2
]}

机构：

[1] Chinese Acad Sci, Xiamen Inst Rare Earth Mat, Haixi Inst, Xiamen 361021, Peoples R China

[2] Hebei Normal Univ, Sch Chem & Mat Sci, Shijiazhuang 050024, Hebei, Peoples R China

来源：

AICHE JOURNAL | 2016年 / 62卷 / 06期

基金：

中国国家自然科学基金;

关键词：

rare earth; phosphonium; ionic liquid; synergistic extraction; reversed micelle; SOLVENT-EXTRACTION; BIS(2,4,4-TRIMETHYLPENTYL)PHOSPHINIC ACID; MONO-2-ETHYLHEXYL ESTER; PHOSPHINIC ACID; LACTIC-ACID; SEPARATION; SYSTEM; MIXTURES; RECOVERY; YTTRIUM;

D O I：

10.1002/aic.15179

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The first synergistic extraction between quaternary phosphonium type ionic liquid extractants in toluene for rare earth was reported in this article. There were two different ion -association mechanisms in the synergistic extraction,system. The formed reversed micelles contributed to increase extractability of the synergistic extraction system to a considerable extent. On the one hand, million tons of saponification wastewater from acidic extractants may he avoided by developing the extraction system using bifunctional ionic liquid extractants. On the other hand, the novel synergistic extraction offers an effective strategy to increase the extractabilities of industrial extractants. This article reveals sustainable and efficient potentials for industrial rare earth separation. (C) 2016 American Institute of Chemical Engineers

引用

页码：2163 / 2169

页数：7

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