Salt roasting of vanadium ore in the presence of carbon

Details Salt roasting of vanadium ore in the presence of carbon Salt roasting of vanadium ore in the presence of carbon

1982-09-27

1984-10-16

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vb metal

423 62, 423 63, 423 68, C01G 3100, C01G 3102

Patent

active

044774168

ABSTRACT:
A process is provided for extracting vanadium values from a vanadium-bearing ore in which a carbonaceous material is added to a salt roast mixture containing ore and an alkali metal salt, e.g., NaCl. The mixture is subjected to roast temperatures (e.g., 825.degree. C.) for a period of time sufficient to burn off substantially all of the carbon in the mixture. The carbonaceous material is preferably a vanadium-containing carbon source, e.g., residue from the combustion of heavy petroleum oil.

REFERENCES:
patent: 831280 (1906-09-01), Handy
patent: 2187750 (1940-01-01), Marvin
patent: 3656936 (1972-04-01), Haas
patent: 3792150 (1974-02-01), Maxwell et al.
patent: 4087510 (1978-05-01), Steenken
patent: 4243639 (1973-07-01), Haas et al.
patent: 4389378 (1983-06-01), McCorriston

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