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Bulletin of Materials Science

, Volume 2, Issue 3, pp 155–159 | Cite as

Electrowinning of cerium group metals from fused chloride bath

  • Sohan Singh
  • A L Pappachan
Article

Abstract

Cerium group metals, namely, misch metal, lanthanum and cerium have been electrowon from their vacuum-dehydrated chlorides in fused sodium chloride-potassium chloride and lithium chloride-potassium chloride solvent. Temperature, cathode current density and composition of bath were optimised for high current efficiency and metal yield. In the case of lanthanum, current efficiency of 88% was achieved. The metals were free from inclusions and voids and analysed 99%+. The major non-rare earth metallic impurities were Fe, Mg and Al. The total gaseous impurities for lanthanum and misch metal were not more than 0·017%.

Keywords

Electrowinning fused chloride cerium lanthanum 

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Reference

  1. Sohan Singh and Balachandra J 1973J. Electrochem. Soc. (India) 22 222Google Scholar

Copyright information

© Indian Academy of Sciences 1980

Authors and Affiliations

  • Sohan Singh
    • 1
  • A L Pappachan
    • 1
  1. 1.Metallurgy DivisionBhabha Atomic Research CentreTrombay, BombayIndia

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