Journal of Radioanalytical and Nuclear Chemistry

, Volume 300, Issue 3, pp 1039–1043 | Cite as

Solvent extraction of uranium from aqueous solutions by α-benzoinoxime

  • Fangli Fan
  • Jing Bai
  • Fuyou Fan
  • Xiaojie Yin
  • Yang Wang
  • Wei Tian
  • Xiaolei Wu
  • Zhi Qin


Solvent extraction of uranium with α-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 α-benzoinoxime as extractant. The effect concentration of uranium and α-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 α-benzoinoxime as extractant from aqueous solution with other interfering cation ions. Present study suggested that α-benzoinoxime can be used as a potential extractant for separation of uranium from aqueous solution using centrifugal extractor in industrial application.


Uranium Solvent extraction Stripping Centrifugal extractor 



The present work was supported by National Natural Science Foundation of China (Grant Nos. 20901080, 10905074, 11205216) and Knowledge Innovation Program of The Chinese Academy of Sciences (Grant No. KJCX2-YW-N50-3, KJCX2-YW-N49-2).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Fangli Fan
    • 1
  • Jing Bai
    • 1
  • Fuyou Fan
    • 1
    • 2
  • Xiaojie Yin
    • 1
  • Yang Wang
    • 1
    • 2
  • Wei Tian
    • 1
    • 2
  • Xiaolei Wu
    • 1
  • Zhi Qin
    • 1
  1. 1.Institute of Modern PhysicsChinese Academy of SciencesLanzhouChina
  2. 2.Graduate University of the Chinese Academy of SciencesBeijingChina

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