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Journal of Radioanalytical and Nuclear Chemistry

, Volume 304, Issue 3, pp 1123–1132 | Cite as

Separation of lanthanum from samarium on solid aluminum electrode in LiCl–KCl eutectic melts

  • De-Bin Ji
  • Yong-De Yan
  • Mi-Lin Zhang
  • Xing Li
  • Xiao-Yan Jing
  • Wei Han
  • Yun Xue
  • Zhi-Jian Zhang
Article

Abstract

This paper presents an electrochemical study on the separation of lanthanum from samarium on aluminum electrode at 773 K. The results from different electrochemical methods showed that Sm(III) and La(III) formed Al–Sm and Al–La intermetallic compounds on an aluminum electrode at electrode potential around −1.67 and −1.46 V, respectively. The electrochemical separation of lanthanum was carried out in LiCl–KCl–LaCl3–SmCl3 melts on solid aluminum electrodes at 773 K by potentiostatic electrolysis at −1.45 V for 40 h and the separation efficiency was 99.1 %.

Keywords

Lanthanum Samarium Electrochemical separation Separation efficiency 

Notes

Acknowledgments

The work was financially supported by the China Scholarship Council, the National Natural Science Foundation of China (21103033, 21101040, and 91226201), the Fundamental Research Funds for the Central Universities (HEUCF201403001), the Foundation for University Key Teacher of Heilongjiang Province of China and Harbin Engineering University (1253G016 and HEUCFQ1415), and the Special Foundation of China and Heilongjiang Postdoctoral Science Foundation (2013T60344 and LBH-TZ0411). The authors gratefully acknowledge the acceptance/support by Prof. Thomas Hartmann and Prof. Yi-Tung Chen from Department of Mechanical Engineering, University of Nevada Las Vegas, USA.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  • De-Bin Ji
    • 1
  • Yong-De Yan
    • 1
    • 2
  • Mi-Lin Zhang
    • 1
  • Xing Li
    • 1
  • Xiao-Yan Jing
    • 1
  • Wei Han
    • 1
  • Yun Xue
    • 1
    • 2
  • Zhi-Jian Zhang
    • 1
    • 2
  1. 1.Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical EngineeringHarbin Engineering UniversityHarbinChina
  2. 2.Key Discipline Laboratory of Nuclear Safety and Simulation TechnologyHarbin Engineering UniversityHarbinChina

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