Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1982-07-22
1983-09-13
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 78, C22B 1306
Patent
active
044040261
ABSTRACT:
A method for the introduction of sodium into lead bullion followed by controlled solidification results in higher recovery of lead from the matte and speiss, and the elimination of the expensive undesirable dross reverberatory practice.
REFERENCES:
patent: 4333763 (1982-06-01), Di Martini et al.
Casteras John E.
Di Martini Carl R.
Andrews M. J.
ASARCO Incorporated
Koch Kenneth A.
Tomaszewski John J.
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