Electrolysis cell and refractory material therefor

Details Electrolysis cell and refractory material therefor Electrolysis cell and refractory material therefor

1991-08-14

1992-09-22

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

501155, C25C 308, C04B 3500

Patent

active

051494124

ABSTRACT:
Aluminum electrolysis cell having a refractory lining, said lining being produced by calcining red mud obtained as a byproduct of the Bayer process of producing alumina, grinding the calcined product to form particles of -4 Tyler mesh, mixing the ground product with a binder (e.g. colloidal silica, colloidal alumina, sodium silicate or sodium aluminate) and sufficient water to produce a formable mixture. The mixture is formed into a shaped product, fired and used, for example, as a monolithic lining, to form the internal surface of the aluminum electrolysis production cell.

REFERENCES:
patent: 3886245 (1975-05-01), Bayer et al.
patent: 3985567 (1976-10-01), Iwu
patent: 4411758 (1983-10-01), Hess et al.
patent: 4956158 (1990-09-01), Nguyen et al.
patent: 5024822 (1991-06-01), Hittner et al.
patent: 5062929 (1991-11-01), Hudson et al.

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