Composite cell bottom for aluminum electrowinning

Details Composite cell bottom for aluminum electrowinning Composite cell bottom for aluminum electrowinning

1991-11-07

1993-04-20

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

204243R, 204294, C25C 308

Patent

active

052039714

ABSTRACT:
A cell for the electrowinning of aluminum from molten salts has a cell bottom lining consisting partly of a refractory mass (4 ) and partly of carbon bodies (5). At least 30% and preferably 50% or more of the cell bottom area is occupied by the refractory mass (4). The carbon bodies (5) are level with the refractory mass (4) or are recessed therein.

REFERENCES:
patent: 3960696 (1976-06-01), Wittner
patent: 4392925 (1983-07-01), Alder et al.
patent: 4505796 (1985-03-01), Hunt et al.
patent: 4540475 (1985-09-01), Deangelis
patent: 4737254 (1988-04-01), Gesing et al.
patent: 4795540 (1989-01-01), Townsend
patent: 4877507 (1989-10-01), Hudson et al.
patent: 5062929 (1991-11-01), Hudson et al.

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