Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 300, Issue 3, Pages 1039-1043Publisher
SPRINGER
DOI: 10.1007/s10967-014-3002-8
Keywords
Uranium; Solvent extraction; Stripping; Centrifugal extractor
Funding
- National Natural Science Foundation of China [20901080, 10905074, 11205216]
- Knowledge Innovation Program of The Chinese Academy of Sciences [KJCX2-YW-N50-3, KJCX2-YW-N49-2]
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Solvent extraction of uranium with alpha-benzoinoxime from aqueous solutions has been systematically investigated. The extraction equilibration was very fast and achieved at 60 s for uranium. The extraction of uranium was pH-dependent using alpha-benzoinoxime as extractant. The effect concentration of uranium and alpha-benzoinoxime was studied. The uranium loaded in the organic phase can be stripped efficiently with 93 % yield using 0.1 M HCl as the stripping agent in a single stripping step. A good selectivity for uranium was observed through alpha-benzoinoxime as extractant from aqueous solution with other interfering cation ions. Present study suggested that alpha-benzoinoxime can be used as a potential extractant for separation of uranium from aqueous solution using centrifugal extractor in industrial application.
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