Recovery of vanadium from carbonaceous materials

Details Recovery of vanadium from carbonaceous materials Recovery of vanadium from carbonaceous materials

C - Chemistry, Metallurgy

22

B

53/141, 196/228

C22B 34/22 (2006.01) C01G 31/00 (2006.01) C01G 31/02 (2006.01)

Patent

CA 1200981

Abstract A carbonaceous material containing vanadium is reacted with an oxidizing gas in a molten salt pool containing an alkali metal carbonate. Vanadium values present in the carbonaceous material are converted to water-soluble vanadium compounds which are recovered from the melt and reacted with a strong acid to precipitate the vanadium values as insoluble vanadates. The vanadates are recovered as product or optionally further converted to vanadium pentoxide. -20-

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