Method of controlling feed of alumina to an aluminum electrolyti

Details Method of controlling feed of alumina to an aluminum electrolyti Method of controlling feed of alumina to an aluminum electrolyti

1977-09-01

1978-11-21

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

204245, C25C 306, C25C 300

Patent

active

041265254

ABSTRACT:
In a method of continuously feeding alumina to an aluminum electrolytic cell in which aluminum is prepared by the electrolysis of alumina, the feed of alumina is controlled by starting it when occurrence of an anode effect is detected or anticipated, and the feed is switched between high speed, low speed and interruption during each one of a series of cycles of operation.

REFERENCES:
patent: 3616316 (1971-10-01), Dewey et al.
patent: 3622475 (1971-11-01), Shiver et al.
patent: 3629079 (1977-12-01), Bristol
patent: 4035251 (1977-07-01), Shiver et al.

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