Electrolytic purification of metals

Details Electrolytic purification of metals Electrolytic purification of metals

C - Chemistry, Metallurgy

25

C

204/46

C25C 3/00 (2006.01) C25C 3/24 (2006.01)

Patent

CA 1151098

Abstract of the Disclosure A method of electronically separating metal from impurities comprises providing the metal and impurities in a molten state in a container having a porous membrane therein, the membrane having a porosity greater than 48%, being capable of containing the molten metal in the container, and being permeable by a molten electrolyte. The metal is electrolytically trans- ferred through the membrane to a cathode in the presence of the electrolyte for purposes of separating or removing impurities from the metal.

341627

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