Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1988-03-17
1989-05-16
Rosenberg, Peter D.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 93E, C22B 1500
Patent
active
048306673
ABSTRACT:
A copper converting process starting with white metal or a mixture of white metal and metallic copper in which oxidizing gas contacts the molten copper mass either at or near the top surface of the molten mass while the mass is sparged with an inert gas from at or near the bottom of the mass and sparging is continued after contact with the oxidizing gas ceases.
REFERENCES:
patent: 4073646 (1978-02-01), Kryczun
patent: 4469513 (1984-09-01), Staib
patent: 4614542 (1986-09-01), Kimura
patent: 4699656 (1987-10-01), Mantymaki
Bell James A. E.
Davies Haydn
Diaz Carlos M.
Marcuson Samuel W.
Stratton-Crawley Richard
Inco Limited
Kenny Raymond J.
Mulligan, Jr. Francis J.
Rosenberg Peter D.
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