Production of metal carbides and metals

Details Production of metal carbides and metals Production of metal carbides and metals

C - Chemistry, Metallurgy

01

B

53/119, 53/343,

C01B 31/30 (2006.01) C22B 34/00 (2006.01) C22B 34/32 (2006.01) C22C 38/18 (2006.01)

Patent

CA 1054338

PRODUCTION OF METAL CARBIDES AND METALS ABSTRACT OF THE DISCLOSURE Metals, particularly chromium, are recovered from low grade ore in substantially pure form using non-polluting procedures. Chromium in the ore is separated from gangue constituents including iron and is formed into sodium chromate. The sodium chromate by solid state reaction is converted to the sponge metal. Metal carbides may be formed by solid state reduction of the corresponding oxides with carbon.

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