Process for producing cathode blocks

Details Process for producing cathode blocks Process for producing cathode blocks

C - Chemistry, Metallurgy

04

B

C04B 35/52 (2006.01) C01B 31/04 (2006.01) C25C 3/06 (2006.01) C25C 3/08 (2006.01)

Patent

CA 2470644

The invention relates to a method for graphiting carbonised cathode blocks, whereby the graphiting is at least partly achieved by inductive heating of the cathode block, the inductively-heated zone is located in the middle of the length of the cathode block, the cathode blocks produced thus and use thereof for the electrolytic extraction of aluminium.

L'invention concerne un procédé de graphitisation de blocs cathodes carbonisés. La graphitisation est effectuée au moins par segment par chauffage inductif du bloc cathode et la zone chauffée par induction se trouve au centre de la longueur du bloc cathode. L'invention concerne également les blocs cathodes ainsi produits et leur utilisation lors de la préparation électrolytique de l'aluminium.

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