Fused-salt Electrowinning and Electrorefining of Rare-earth and Yttrium Metals.
Morrice E; Wong MM
Miner Sci Eng 1979 Jul; 11(3):125-136.
Increasing demands for rare-earth and yttrium metals in the preparation of special alloys and other uses have greatly enhanced their status as industrial metals. In this paper, a review is made by the Bureau of Mines of fused-salt electrowinning of individual rare-earth metals, yttrium metal, and mischmetal from the respective chlorides and oxides. Preparation of alloys of yttrium metal and rare-earth metals by fused-salt electrolysis and electrorefining of yttrium metal is also included in this review. Particular attention is devoted to the problems encountered in the electrolysis and progress made in the development of the technology.
Issue of Publication
Miner. Sci. Eng., V. 11, No. 3, July 1979, PP. 125-136.
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