Reduction cell pot

Details Reduction cell pot Reduction cell pot

1982-04-15

1984-02-07

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204294, 373 72, 373121, C25C 308

Patent

active

044301871

ABSTRACT:
A reduction cell pot used in the production of aluminum by fused salt electrolysis comprising an outer steel shell, a thermally insulating layer and an inner lining comprised essentially of carbon.
At least the lower 80% of the floor insulation, preferably at least the lower 90%, comprises a layer of volcanic ash which has been compacted by mechanical means. The rest of the floor insulation consists of a leakage barrier which protects the volcanic ash from bath components which penetrate the carbon lining.

REFERENCES:
patent: 3428545 (1969-02-01), Johnson
patent: 3434958 (1969-03-01), Johnson
patent: 3723286 (1973-03-01), Hunt et al.
patent: 3764509 (1973-10-01), Etzel et al.
patent: 4175022 (1979-11-01), Vadla et al.

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