Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group vb metal
Patent
1984-05-08
1985-08-20
Carter, H. T.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group vb metal
423 62, C01G 3100
Patent
active
045363749
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 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.
patent: 4389378 (1983-06-01), McCorriston
Carter H. T.
Gulf Canada Limited
Saunders R. H.
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