Fluidized hydrogen reduction process for the recovery of copper

Details Fluidized hydrogen reduction process for the recovery of copper Fluidized hydrogen reduction process for the recovery of copper

1975-11-14

1977-08-02

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 26, C22B 1500

Patent

active

040393240

ABSTRACT:
Copper is recovered from copper salts, e.g. cuprous chloride, by means of a process comprising reducing the copper salts with hydrogen in a fluidized bed in the presence of chemically inert, generally spherical, relatively smooth, non-porous particles in order to restrain sintering of the reduced copper.

REFERENCES:
patent: 2758021 (1956-08-01), Drapeau, Jr. et al.
patent: 2783141 (1957-02-01), Foley
patent: 3918962 (1975-11-01), Dubeck et al.

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