Hydrometallurgical recovery of metal values

Details Hydrometallurgical recovery of metal values Hydrometallurgical recovery of metal values

1978-10-18

1980-04-29

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 7, 75 21, 75 25, 75103, 75104, 75117, 75119, C22B 1510, C22B 2304

Patent

active

042004551

ABSTRACT:
The present process involves an improvement in the hydrometallurgical recovery of metal values from metal bearing sources such as ores and the like. When subjecting a metal bearing source to a reductive roast in a reducing atmosphere followed by cooling the reduced metal bearing source, extracting the cooled source and recovering the resultant nickel value, it is possible to utilize a smaller amount of an additive which assists in the recovery of metal values by scrubbing the off-gases from the reductive roast utilizing a fresh metal bearing source feed as the scrubbing material.

REFERENCES:
patent: 2556215 (1951-06-01), Queneau et al.
patent: 3367740 (1968-02-01), Zubryckyj et al.
patent: 3661564 (1972-05-01), Gandon et al.
patent: 3772423 (1973-11-01), Stevens et al.
patent: 3772424 (1973-11-01), Stevens et al.
patent: 3845189 (1974-10-01), M iller et al.

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