Enhanced hydrometallurgical recovery of cobalt and nickel from l

Details Enhanced hydrometallurgical recovery of cobalt and nickel from l Enhanced hydrometallurgical recovery of cobalt and nickel from l

1980-06-25

1982-01-26

Hearn, Brian E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

C01G 5100, C01G 5300

Patent

active

043128416

ABSTRACT:
The present process involves an improvement in the hydrometallurgical recovery of metal values from metal bearing sources such as ores and the like. The metal values are obtained by subjecting a metal bearing source to a reductive roast at an elevated temperature followed by cooling the reduced metal bearing source, extracting the cooled source and recovering the resultant metal values. An improvement in this process is effected by adding a compound containing a metal of Group IA or IIA of the Periodic Table to the source before subjecting the source to the reductive roast. Following the roast the ore is quenched in an aqueous solution and thereafter subjected to an extraction step.

REFERENCES:
patent: 3725039 (1973-04-01), Jepsen
patent: 3772423 (1973-11-01), Stevens
patent: 3845189 (1974-10-01), Miller
patent: 4062675 (1977-12-01), Dor
patent: 4187281 (1980-02-01), Stauter
patent: 4201751 (1980-05-01), Holter

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