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

1986-10-17

1988-04-12

Andrews, Melvyn J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 404

Patent

active

047371870

ABSTRACT:
Nickel- and vanadium-containing catalysts or combustion residues from petroleum treatment 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 segregating from a high nickel, low vanadium matte. The matte and slag can be separately tapped and the matte is treated metallurgically to recover nickel while the slag is leached and is thus treated hydrochemically to recover valuable vanadium compounds.

REFERENCES:
Durrer et al, Metallurgie der Ferrolegierungen, Springer-Yerlag, NY, 1972, pp. 491-504 and 626-635.

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