Apparatus for electrowinning multivalent metals

Details Apparatus for electrowinning multivalent metals Apparatus for electrowinning multivalent metals

C - Chemistry, Metallurgy

25

C

204/143, 204/201

C25C 7/00 (2006.01) C25C 3/00 (2006.01) C25C 3/26 (2006.01) C25C 7/04 (2006.01)

Patent

CA 1112605

APPARATUS FOR ELECTROWINNING MULTIVALENT METALS Abstract An apparatus to electrolytically produce multi- valent metals, such as titanium, from compounds thereof. The apparatus includes a suitable containing body with an anode and a cathode in compartments therein spaced apart by a foraminous metallic diaphragm. The diaphragm has a diaphragm coefficent of greater than zero to about 0.5 when the coefficient of flow is about 0.1 to about 25. A multi- valent metal compound feed means is combined with the cathode compartment to supply a multivalent metal compound to a molten salt electrolyte in the cathode compartment. The apparatus is sealed from the atmosphere to avoid contamina- tion of the bath and metal product with certain atmospheric gases. Means providing sufficient electrical and thermal energy to operate the cell are provided.

301957

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