Process for purifying alumina

Details Process for purifying alumina Process for purifying alumina

C - Chemistry, Metallurgy

01

F

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C01F 7/14 (2006.01) C01F 7/46 (2006.01) C01F 7/47 (2006.01) C22B 3/28 (2006.01)

Patent

CA 1277479

PROCESS FOR PURIFYING ALUMINA ABSTRACT OF THE DISCLOSURE The iron content of Bayer process streams is reduced by contacting said stream with a tertiary hydroxyl-con- taining polyamine.

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