Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1986-05-02
1987-05-19
Andrews, Melvyn J.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
423 68, C22B 300
Patent
active
046665129
ABSTRACT:
Vanadium is recovered from vanadium-containing ores that have been roasted in the presence of a sodium source through heap leaching with an aqueous leaching solution so that high grade leach liquors can be obtained.
REFERENCES:
patent: 3777004 (1973-12-01), Lankenau et al.
patent: 3853982 (1974-12-01), Bare
patent: 4526615 (1985-07-01), Johnson
Zambrana et al., Colorado Mining Assoc. 1980, Mining Yearbook, pp. 141-149, 1980.
Goddard John B.
Hansen Donald J.
Malacarne Oreste J.
Andrews Melvyn J.
U.S. Vanadium Corp.
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