Stable anodes including iron oxide and use of such anodes in...

Details Stable anodes including iron oxide and use of such anodes in... Stable anodes including iron oxide and use of such anodes in...

C - Chemistry, Metallurgy

25

C

C25C 3/12 (2006.01)

Patent

CA 2545865

Stable anodes (50) comprising iron oxide useful for the electrolytic production of metal such as aluminum (80) are disclosed. The iron oxide may comprise Fe3O4, Fe2O3, FeO or a combination thereof. During the electrolytic aluminum production process, the anodes (50) remain stable at a controlled bath temperature of the aluminum production cell and current density through the anodes (50) is controlled. The iron oxide-containing anodes (50) may be used to produce commercial purity aluminum.

L'invention concerne des anodes stables (50) comportant de l'oxyde de fer, utiles pour la production électrolytique d'un métal tel que l'aluminium (80). L'oxyde de fer peut comporter Fe¿3?O¿4?, Fe¿2?O¿3?, FeO ou un mélange de ces oxydes. Au cours du processus de production d'aluminium électrolytique, les anodes (50) restent stables à une température de bain régulée de la cellule de production d'aluminium et la densité de courant traversant les anodes (50) est régulée. Ces anodes contenant de l'oxyde de fer (50) peuvent être utilisée pour produire de l'aluminium suffisamment pures pour un usage commercial.

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