Production of alumina

Details Production of alumina Production of alumina

C - Chemistry, Metallurgy

01

F

C01F 7/06 (2006.01) C01F 7/47 (2006.01)

Patent

CA 2126885

ABSTRACT Production of Alumina Bauxite that is to be used in the Bayer process for the recovery of alumina is washed with aqueous wash liquor having a caustic content of at least 50g/l and which comprises aqueous caustic from the alumina recovery circuit of the Bayer process and, after removing organic material from the wash liquor, the wash liquor is included in the digestion stage, the separation stage or the alumina recovery circuit of the Bayer process

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