Use of Tetraoctyldiglycolamide for Concentration of Scandium by Extraction from Red-Mud Acid-Leaching Solutions

被引：1
|
作者：
Kostikova, G., V [1 ]
Mal'tseva, I. E. [2 ]
Krasnova, O. G. [1 ]
Sal'nikova, E., V [1 ]
Zhilov, V., I [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia
[2] Russian Acad Sci, Emmanuel Inst Biochem Phys, Moscow 119334, Russia
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2022年 / 56卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
Keywords; extraction; scandium; tetraoctyldiglycolamide; leaching; red mud; nitric-acid solutions; BAUXITE RESIDUE; RARE-EARTHS; RECOVERY; LANTHANIDES; DIGESTION; YTTRIUM; TODGA; IRON;
D O I：
10.1134/S0040579522050086
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The extraction of scandium with tetraoctyldiglycolamide from solutions of mineral acids is studied, and the effect of the diluent on the distribution coefficients of scandium and a number of elements is determined. It is shown that the scandium extraction is most efficient from nitric-acid media. The optimal conditions are found for nitric-acid leaching of red mud for further concentration of scandium by extraction with tetraoctyldiglycolamide as an extractant.
引用
收藏
页码：900 / 907
页数：8
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