Chemistry: electrical and wave energy – Processes and products
Patent
1992-04-27
1994-11-08
Gorgos, Kathryn
Chemistry: electrical and wave energy
Processes and products
204225, 204245, 204244, 204280, C25C 306, C25C 308
Patent
active
053623665
ABSTRACT:
A novel anode-cathode arrangement for the electrowinning of aluminum from alumina dissolved in molten sales, consisting of an anode-cathode double-polar electrode assembly unit or a continuous double polar assembly in which the anode and cathode are bound together and their interelectrode gap is maintained substantially constant by connections made of materials of high electrical, chemical, and mechanical resistance. Novel, multi-double-polar cells for the electrowinning of aluminum contain two or more of such anode-cathode double-polar electrode assembly units. This arrangement permits the removal of reimmersion into any of the anode-cathode double-polar electrode assembly units during operation of the multi-double-polar cell whenever the anode and or the cathode or any part of the electrode unit needs reconditioning for efficient cell operation.
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De Nora Vittorio
Sekhar Jainagesh A.
Gorgos Kathryn
Moltech Invent S.A.
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