C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/209
C25C 3/08 (2006.01)
Patent
CA 1190516
ABSTRACT A reduction cell pot, in particular for producing aluminum by fused salt electrolysis, is made up of an outer steel shell, a thermally insulating layer and an inner lining comprised essentially of carbon; the floor insulation con- prises volcanic ash, suitably at least the lower 80% of the floor insulation, and preferably at least the lower 90% is a layer of volcanic ash which has been compacted by mechanical means and the rest of the floor insulation is a leakage barrier which protects the volcanic ash from bath components penetrating the carbon lining.
401347
Franke Alwis
Gudmundsson Einar
Halldorsson Ragnar
Snaeland Sveinn
Marcoux & Sher Swabey Mitchell Houle
Swiss Aluminium Ltd.
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