Extraction Behavior of REEs (La, Pr, and Nd) in the Presence of EDTA from Chloride Solutions

Extraction behavior of REEs (La, Pr, and Nd) from chloride solutions is investigated using Cyanex 272 and PC 88A. PC 88A had a greater extraction efficiency towards REEs than Cyanex 272. Adding EDTA to the aqueous solution depressed the extraction of Pr and Nd due to the formation of anionic complex...

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Bibliographic Details
Published inKorean Journal Metals and Materals Vol. 51; no. 6; pp. 421 - 427
Main Authors Banda, Raju, Jeon, Ho Seok, Lee, Man Seung
Format Journal Article
LanguageEnglish
Published 대한금속·재료학회 01.06.2013
Subjects
재료공학
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ISSN1738-8228
2288-8241
DOI10.3365/KJMM.2013.51.6.421

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Summary:Extraction behavior of REEs (La, Pr, and Nd) from chloride solutions is investigated using Cyanex 272 and PC 88A. PC 88A had a greater extraction efficiency towards REEs than Cyanex 272. Adding EDTA to the aqueous solution depressed the extraction of Pr and Nd due to the formation of anionic complexes and had a negative effect on the separation of La from Nd and Pr. The extraction behavior of REEs in the presence of EDTA depended on the nature of the extractant. Extraction by Cyanex 272 in the absence of EDTA was better for separating La than extraction by PC 88A. KCI Citation Count: 11
Bibliography:http://210.101.116.102/journal_korea/detail_01.asp?a_key=3142391
G704-000085.2013.51.6.001
ISSN:1738-8228
2288-8241
DOI:10.3365/KJMM.2013.51.6.421