Process using carbonate reagent for recovering vanadium from cok

Details Process using carbonate reagent for recovering vanadium from cok Process using carbonate reagent for recovering vanadium from cok

1983-07-25

1984-09-18

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vb metal

423 62, C01G 3100

Patent

active

044723601

ABSTRACT:
Vanadium values are recovered from sulphur-containing cokes and ashes derived from heavy oils by a novel process comprising heating in the presence of alkali metal carbonate, contacting the resulting solid residue with water to form a leach and recovering the vanadium values dissolved therein. The amount of alkali metal carbonate used is at least sufficient to convert the vanadium values present in the raw material into alkali metal vanadate, but insufficient to react in addition with all of the sulphur values therein. The heating step solubilizes only alkali metal vanadate and thus the leach solution is substantially free of contaminating substances.

REFERENCES:
patent: 2187750 (1940-01-01), Marvin
patent: 3792150 (1974-02-01), Maxwell et al.
patent: 4087510 (1978-05-01), Steenken
patent: 4243639 (1981-01-01), Haas et al.

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