C - Chemistry – Metallurgy – 25 – C
Patent
C - Chemistry, Metallurgy
25
C
204/209
C25C 3/08 (2006.01)
Patent
CA 1215941
A B S T R A C T A fused salt reduction cell for producing aluminum com- prises a cathode pot having an outer steel shell (10) sup- ported on or by metal structural parts, a thermally insul- ating layer (12,14) and an inner lining (16,22) which is of carbon, is electrically conductive and is resistant to attack by the molten aluminum and the electrolyte. In the region of the electrolyte there is a layer which runs horizontally around the cell dividing the carbon lin- ing into a lower part (16) and an upper part (22). This layer (22) is of a material which is resistant to the el- ectrolyte at temperatures up to 1000°C and has a much lower shear strength than that of the carbon lining. (Fig. 2) -1-
432159
Jemec Raoul
Zollinger Max
Marcoux & Sher Swabey Mitchell Houle
Swiss Aluminium Ltd.
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