Integrated process for the recovery of metals and fused alumina

Details Integrated process for the recovery of metals and fused alumina Integrated process for the recovery of metals and fused alumina

1995-11-02

1997-12-30

Simmons, David A.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 1048, 75 1065, 75430, 75738, 423 68, 423133, 4231502, C22B 404, C22B 916, C22B 2300, C22B 2100

Patent

active

057025002

ABSTRACT:
An integrated process for the treatment of spent catalysts containing mainly molybdenum, vanadium, nickel, cobalt and, alumina to produce ammonium metavanadate, vanadium pentoxide, molybdic trioxide, fused alumina and a high grade nickel/cobalt alloy essentially free of aluminum.

REFERENCES:
patent: 4087510 (1978-05-01), Steenken
patent: 4142871 (1979-03-01), Zeiringer et al.
patent: 4349381 (1982-09-01), Cichy
patent: 4384885 (1983-05-01), Muller et al.
patent: 5013533 (1991-05-01), Howard et al.
Llanos et al., "Treatment of Spent Hydroprocessing Catalysts at Gulf Chemical and Metallurgical Corporation", presented SME Annual Meeting Mar. 2-6, 1986.

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