Method of controlling aluminum electrolytic cells

Details Method of controlling aluminum electrolytic cells Method of controlling aluminum electrolytic cells

1981-11-16

1984-03-20

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

C25C 306, C25C 320

Patent

active

044379501

ABSTRACT:
Increase or decrease in a quantity of alumina presenting in a bath or a metal in an aluminum electrolytic cell is detected and a quantity of electric power supplied to the cell is increased or decreased in accordance with the result of detection. The detection is made by calculating a difference between a quantity of alumina supplied to the cell during an interval between an instant at which a previous anode effect has occurred or was anticipated to occur and an instant at which a present anode effect occurs or is anticipated to occur, and the quantity of alumina consumed during the interval.

REFERENCES:
patent: 3391074 (1968-07-01), Chambran
patent: 3900371 (1975-08-01), Chaudhuri

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