Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1978-08-04
1980-03-25
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 24, 75 63, 75 69, 423 88, 423617, C22B 1306
Patent
active
041949048
ABSTRACT:
Purified lead and antimony oxide are produced from antimonial lead alloys by oxidation of the molten alloy to form purified metallic lead and a slag of lead oxides and antimony oxides, separation of the metal and slag, and subsequent partial reduction and fuming of the slag to produce pure antimony oxide.
REFERENCES:
patent: 1726346 (1929-08-01), Gonser et al.
Foerster George S.
Stuhler Harold A.
Andrews M. J.
N L Industries, Inc.
White Gerald K.
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