Method of treating nickel-containing and vanadium-containing res

Details Method of treating nickel-containing and vanadium-containing res Method of treating nickel-containing and vanadium-containing res

1985-01-16

1987-05-05

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 82, 75 97R, 423 68, C22B 404

Patent

active

046629360

ABSTRACT:
Nickel- and vanadium-containing catalysts or petroleum treatment of combustion residues are combined with alkali metal carbonates and/or chlorides and the resulting mixture is melted in the presence of a sulfur carrier with or without carbon which serves to reduce the sulfur to a sulfidic form, a high vanadium, low nickel slag seggregating from a high nickel, low vanadium matte. The matte and slag can be separately tapped and the melt is treated metallurgically to recover nickel while the slag is leached and is thus treated hydrochemically to recover valuable vanadium compounds.

REFERENCES:
patent: 3753681 (1973-08-01), Vojkovic
patent: 3929460 (1975-12-01), Peters et al.
patent: 3996045 (1976-12-01), Ishii
patent: 4029495 (1977-06-01), Hirayama
patent: 4280839 (1981-07-01), Tolley et al.
Stemerowicz et al, CIM Bulletin, Apr. 1976, pp. 102-108.

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