Chlorination process for producing aluminum

Details Chlorination process for producing aluminum Chlorination process for producing aluminum

C - Chemistry, Metallurgy

22

B

53/236, 23/30, 2

C22B 21/00 (2006.01) C01B 31/18 (2006.01) C01B 33/00 (2006.01)

Patent

CA 1092787

CHLORINATION PROCESS FOR PRODUCING ALUMINUM ABSTRACT OF THE DISCLOSURE A process for the production of aluminum char- acterized by the steps of chlorinating a material containing aluminum and silicon with chlorine to produce aluminum trichloride and silicon tetrachloride. reacting aluminum trichloride with manganese to produce elemental aluminum and manganese chloride, reducing silicon tetrachloride to yield silicon, oxidizing the manganese chloride to produce manga- nese oxide, and reducing the manganese oxide with silicon to produce manganese which is recycled to the second step for reducing aluminum trichloride.

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