Recycling rare-earth-metal waste using hydrometallurgical methods

被引：16
|
作者：
Polyakov, E. G. [1 ]
Sibilev, A. S. [1 ]
机构：
[1] IKhTTs Rusredmet Tekhnol & Oborudovanie, St Petersburg, Russia
来源：
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING | 2016年 / 50卷 / 04期
关键词：
rare earth metals; wastes; hydrometallurgy; leaching; precipitation; solvent extraction; RECOVERY; NICKEL; ELEMENTS; VALUES;
D O I：
10.1134/S0040579516040266
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The present review describes the state of the problem of extracting rare earth metals from secondary raw materials, such as high-coercivity magnets, nickel-metal hydride batteries (NiMH), and phosphors of coatings of fluorescent lamps. Methods for waste processing with mineral acids and other solvents, the removal of associated impurities from rare-earth components, separation, and deep purification (mainly by solvent extraction) have been considered. Data on the industrial applications of hydrometallurgical processes for rare earth metals recycling have been presented.
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页码：607 / 612
页数：6
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