Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1972-11-27
1976-04-20
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 72, 75 77, 75 82, 423495, C22B 4700
Patent
active
039516474
ABSTRACT:
A process is provided to produce pure elemental metal; such as manganese, by reacting a halide of the elemental metal with aluminum. The halide of the elemental metal is present as a molten pool wherein the temperature at the bottom of the pool is sufficient to maintain the elemental metal molten and the temperature at the top of the pool is below the boiling point of the metal halide in the pool. Aluminum halide is removed as a vapor overhead and a layer of molten metal collects at the bottom of the pool of molten halide.
REFERENCES:
patent: 988509 (1911-04-01), Rockey
patent: 1541068 (1925-06-01), Pelzer et al.
patent: 2396792 (1946-03-01), Kroll
patent: 2452665 (1948-11-01), Kroll et al.
patent: 3615359 (1971-10-01), Toth
Barton Bruce E.
Cardwell Paul H.
Andrews M. J.
Deepsea Ventures, Inc.
Magidoff Barry G.
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