Diffusion barrier for aluminium electrolysis furnaces

Details Diffusion barrier for aluminium electrolysis furnaces Diffusion barrier for aluminium electrolysis furnaces

C - Chemistry, Metallurgy

25

C

204/209

C25C 3/08 (2006.01)

Patent

CA 1222477

ABSTRACT A diffusion barrier is disclosed for an electrolysis furnace for the preparation of aluminium by electrolysis of alumina dissolved in fluoride melt. The diffusion barrier comprises a material which reacts with sodium fluoride to form compounds which are solid at the temperature in question.

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