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

被引：0
|
作者：
G. V. Kostikova
I. E. Mal’tseva
O. G. Krasnova
E. V. Sal’nikova
V. I. Zhilov
机构：
[1] Frumkin Institute of Physical Chemistry and Electrochemistry,
[2] Russian Academy of Sciences,undefined
[3] Emmanuel Institute of Biochemical Physics,undefined
[4] Russian Academy of Sciences,undefined
来源：
Theoretical Foundations of Chemical Engineering | 2022年 / 56卷
关键词：
extraction; scandium; tetraoctyldiglycolamide; leaching; red mud; nitric-acid solutions;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：900 / 907
页数：7
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