Method for production of aluminium

Details Method for production of aluminium Method for production of aluminium

C - Chemistry, Metallurgy

22

B

C22B 21/02 (2006.01) C22B 4/00 (2006.01) C22B 5/00 (2006.01) C22B 5/12 (2006.01)

Patent

CA 2321708

A continuous process for the production of aluminium metal from feed materials comprising aluminium oxide and a reduction gas such as a light hydrocarbon gas, where the aluminium oxide and gas react at a temperature of about 1500 ~C or greater in a reaction zone to obtain elemental aluminium, and separating the aluminium from the other reaction products. In accordance with the invention, the reaction products are generated in a continuous stream in the reaction zone and that the product stream is continuously quenched before separation.

L'invention concerne un procédé continu de production d'aluminium à partir de matériaux d'alimentation comprenant de l'oxyde d'aluminium et un gaz de réduction tel qu'un gaz d'hydrocarbure léger, dans lequel l'oxyde d'aluminium et le gaz réagissent à une température d'environ 1500 ·C ou supérieure dans une zone de réaction afin d'obtenir de l'aluminium élémentaire, et de séparer l'aluminium des autres produits de réaction. Selon l'invention, les produits de réaction sont produits en un flux continu dans la zone de réaction et le flux de produit est trempé en continu avant séparation.

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