Binary extraction of lanthanide(III) chlorides using carboxylates and dialkylphosphates of secondary and tertiary amines

被引：28

作者：

Kalyakin, S. N. ^{[1
]}

Kuz'min, V. I. ^{[1
]}

Mulagaleeva, M. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk, Russia

来源：

HYDROMETALLURGY | 2015年 / 151卷

关键词：

Binary extraction; REE; Di-(2-ethylhexyl)phosphoric acid; Solvating additives; Carboxylate; Amine; SOLVENT-EXTRACTION; RARE-EARTHS; SEPARATION;

D O I：

10.1016/j.hydromet.2014.11.013

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The use of binary extractants based on carboxylates and dialkylphosphates of secondary and tertiary amines and their mixtures for the separation of lanthanide (III) ions has been investigated. It is established that the solutions of these extractants in non-polar organic solvent extract lanthanide chlorides from aqueous phase according to the laws of binary extraction. The synergetic effect for the system of di-(2-ethylhexyl)carboxylate, caprinate of di-n-octylammonium and tri-n-octylammonium has been found. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：116 / 121

页数：6

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