Process for preparing basic aluminum compounds

Details Process for preparing basic aluminum compounds Process for preparing basic aluminum compounds

C - Chemistry, Metallurgy

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C01F 7/56 (2006.01) C01F 7/00 (2006.01) C02F 1/52 (2006.01) C02F 1/56 (2006.01) D21H 17/66 (2006.01) D21H 21/16 (2006.01)

Patent

CA 2025353

16 PROCESS FOR PREPARING BASIC ALUMINUM COMPOUNDS ABSTRACT The present invention relates to a process for preparing basic aluminum compounds having the general formula (1) [A12 (OH)x Cly (SO4)z]n (1) where: n is at least equal to 1 x = 2 ? 4.0 y = 2.0 ? 3.40 z = 0 ? 0.30 and x + y + z = 6 by means of a reaction of alumina with hydrochloric acid, possibly mixed with sulfuric acid. The alumina is caused to react in alumina/acid(s) stoichiometric conditions to obtain the compounds of formula (1). The reaction is carried out by milling alumina in liquid phase under heavy stirring.

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