Extracting cobalt from spent hydroprocessing catalysts with cyan

Details Extracting cobalt from spent hydroprocessing catalysts with cyan Extracting cobalt from spent hydroprocessing catalysts with cyan

1982-09-24

1983-10-11

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

C22B 300, C01G 5100

Patent

active

044091907

ABSTRACT:
A process is disclosed for recovery of cobalt from spent catalyst particles. The particles are roasted, leached with an ammonia/ammonium salt leach solution and then leached with a cyanide ion leach solution.

REFERENCES:
patent: 2662811 (1953-12-01), Thomsen
patent: 3148155 (1964-09-01), Schwartz
patent: 3567433 (1971-03-01), Gutnikov

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