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.

引用

页码：607 / 612

页数：6

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