Progress in the extraction and separation of rare earths and related metals with novel extractants: A review

Rare earths (REs) play a key role in high-tech fields and the associated thorium is a vital element for nuclear energy. However, to be used in high-tech industry or nuclear energy, these elements must first be recovered from the deposits and purified. As solvent extraction is the main technology for...

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Bibliographic Details
Published inScience China. Technological sciences Vol. 61; no. 9; pp. 1319 - 1328
Main Authors Kuang, ShengTing, Liao, WuPing
Format Journal Article
LanguageEnglish
Published Beijing Science China Press 01.09.2018
Springer Nature B.V
Subjects
Cerium
Engineering
High tech industries
Nuclear energy
Nuclear engineering
Nuclear reactors
Rare earth elements
Review
Separation
Solvent extraction
Thorium
extractants
extraction
separation
thorium
rare earths
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Summary:Rare earths (REs) play a key role in high-tech fields and the associated thorium is a vital element for nuclear energy. However, to be used in high-tech industry or nuclear energy, these elements must first be recovered from the deposits and purified. As solvent extraction is the main technology for the recovery and purification of the metals, the review mainly presents our recent works on the extraction and separation of tetravalent cerium cation by neutral α-aminophosphonates, the individual rare earth separation by α-aminophosphonic acids, and the continuous preparation of high-purity thorium. The extraction and separation of some other metals are also discussed.
ISSN:1674-7321
1869-1900
DOI:10.1007/s11431-018-9295-0