Method for producing basic aluminium sulphate (iii)

Details Method for producing basic aluminium sulphate (iii) Method for producing basic aluminium sulphate (iii)

C - Chemistry, Metallurgy

01

F

23/88

C01F 7/02 (2006.01) C01F 7/74 (2006.01)

Patent

CA 1203364

ABSTRACT The present invention relates to a method for producing sulphate-poor, polynucleate aluminium hydroxide sulphate complexes of the general formula [ Al(OH)x(SO4)y(H2O)z ] n in which n is an integer, x is 0.75-2.0; y is 0.5-1.12; x + 2y is 3; z is 1.5-4 when the product is in solid form, and z >> 4 when the product is in the form of an aqueous solution, an amorphous aluminium hydroxide being admixed with aluminium sulphate and/or sulphuric acid to y = 0.5-1.12; preferably 0.5-0.75.

440168

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