C - Chemistry – Metallurgy – 01 – F
Patent
C - Chemistry, Metallurgy
01
F
23/246
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.
548764
Lipp David Wesley
Panzer Hans Peter
Rothenberg Alan Sol
Spitzer Donald Paul
American Cyanamid Company
Smart & Biggar
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