| abstract |
The present invention relates to a process for the preparation of a poly aluminum sulphate product having the following formula: n n [Al.sub.A (OH).sub.B (SO.sub.4).sub.C (H.sub.2 O).sub.E ].sub.n n n in which n n is a positive integer; n A is 1.0; n B ranges from 0.75-2.0; n C ranges from 0.5-1.12; and n E is 1.5 to 4 when the product is in solid form; and n E is larger than 4 when the product is in aqueous form, and wherein n B+2C=3, n said process comprising reacting an Alum solution with a suitable alkali aluminate under high shear mixing and recovering the desired product. |