Method for the continuous refinement of contaminated copper in t

Details Method for the continuous refinement of contaminated copper in t Method for the continuous refinement of contaminated copper in t

1978-01-09

1978-11-28

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 1500

Patent

active

041274083

ABSTRACT:
A method for continuously refining impurities from a copper melt wherein molten copper is conveyed sequentially through reduction and oxidation zones where it is reacted with gases to free it from impurities. The method involves passing an oxygen containing gas into contact with a molten copper bath in the form of a vertical jet under controlled pressure conditions, controlled velocity, controlled spacing and the like, resulting in a convective material exchange between the copper bath and the gas before the gas is used to oxidize a reducing gas stream.

REFERENCES:
patent: 3902895 (1975-09-01), Wuth

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