Process for refining metals by drossing procedures

Details Process for refining metals by drossing procedures Process for refining metals by drossing procedures

1980-06-10

1982-10-26

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 78, 75 79, 75 85, 75 24, 75 83, 75 28, 75 72, C22B 1306, C22B 2508

Patent

active

043560334

ABSTRACT:
A process for refining metals, such as lead and tin, by removal of impurities as a dross or crust, in which a cooling medium is applied to the surface of a melt of the metal and, simultaneously with cooling, stirring the melt.

REFERENCES:
patent: 1853541 (1932-04-01), Betterton
patent: 2363127 (1944-11-01), Graves
patent: 2434105 (1948-01-01), Fleming et al.
patent: 3676105 (1972-07-01), McLeod et al.
patent: 3923499 (1975-12-01), Manthey et al.
patent: 3979108 (1976-09-01), Nagasaki et al.
patent: 4191559 (1980-03-01), Van Linden et al.

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