Thermal reduction process for the recovery of refractory...

C - Chemistry – Metallurgy – 22 – B

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C22B 7/04 (2006.01) C21B 15/00 (2006.01) C22B 5/02 (2006.01) C22C 38/12 (2006.01)

Patent

CA 2680729

A process for producing vanadium-rich iron alloys and refractory metal oxides is described. The process comprises submitting mining residues or metallurgical wastes to at least one reductive thermal treatment to produce a reduced material; submitting the reduced material to at least one magnetic separation step to produce magnetic fractions of differing magnetic susceptibilities; and recovering the magnetic fractions.

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