Electrode arrangement in a cell for manufacture of aluminum from

Details Electrode arrangement in a cell for manufacture of aluminum from Electrode arrangement in a cell for manufacture of aluminum from

1981-04-27

1983-07-12

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

204245, 204294, C25C 308

Patent

active

043929257

ABSTRACT:
The durability of oxide-ceramic anodes can be increased, if the aluminum surface which lies opposite the active anode surface and is in direct contact with the molten electrolyte, is smaller than the active anode surface. The separated aluminum is collected on the floor of the carbon lining and is sub-divided by an insulating material into pools, which are connected together by means of tubes or channels. The total of all the aluminum surfaces exposed to the melt amounts to 10-90% of the active anode surface.

REFERENCES:
patent: 3502553 (1970-03-01), Gruber
patent: 3554893 (1971-01-01), De Varda
patent: 3960678 (1976-06-01), Alder
patent: 3960696 (1976-06-01), Wittner
patent: 4177128 (1979-12-01), Rahn
patent: 4243502 (1981-01-01), Kugler
patent: 4297180 (1981-10-01), Foster, Jr.

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