Process for recovery of alumina-cryolite waste in aluminum...

Details Process for recovery of alumina-cryolite waste in aluminum... Process for recovery of alumina-cryolite waste in aluminum...

C - Chemistry, Metallurgy

25

C

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C25C 7/06 (2006.01) B01D 53/72 (2006.01) B01J 8/28 (2006.01) C01F 7/54 (2006.01) C25C 3/18 (2006.01)

Patent

CA 1083784

ABSTRACT OF THE DISCLOSURE Alumina-cryolite waste from aluminum pot lines is subjected to oxidation in a fluidized bed reactor to remove carbon and organic contamination. Agglomeration of the alumina-cryolite product occurs in the fluidized bed and a pellet product suitable for return to the aluminum pot lines is produced.

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