Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1978-05-11
1980-03-11
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 91, C22B 1500
Patent
active
041926765
ABSTRACT:
Copper is recovered from copper salts selected from the group consisting of copper chlorides, copper oxides and copper oxychlorides by reducing the finely divided solid copper salts with hydrogen under turbulent conditions at a temperature greater than the melting point of elemental copper.
REFERENCES:
patent: 1671003 (1928-05-01), Bagsar
patent: 4017307 (1977-04-01), Winterhager et al.
patent: 4039324 (1977-08-01), Stephens, Jr. et al.
Goens Duane N.
Hazen Wayne C.
Reynolds James E.
Cyprus Metallurgical Processes Corporation
Rutledge L. Dewayne
Skiff Peter K.
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