Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 172, Issue -, Pages 144-146Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2012.04.012
Keywords
Extraction; Rare earth metals; Cyanex 272; Binary extractant
Funding
- Russian Foundation for Basic Research [10-03-00188]
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The mechanisms of the extraction of rare earth metals from nitrate media with the binary extractant-methyltrioctylammonium di(2,4,4-trimethylpentyl)phosphinate with the formation of extracted species of different composition in the organic phase have been suggested. Compositions of the extracted species which distribution is satisfactorily described by the calculated curves have been determined. The calculated concentration values obtained by using the proposed equations were found to be in a good agreement with the experimentally obtained values for lanthanum and ytterbium extraction with the binary extractant from nitrate solutions. (C) 2012 Elsevier B.V. All rights reserved.
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