| 摘要 |
The invention relates to high basicity polyaluminumchlorosulfates and their preparation process, said polyaluminumchlorosulfates being useful in the treatment of drinking water, aqueous effluents, and in the papermaking industry and having the formula: Al(OH)aClb(SO4)cMdNe in which: M is an alkaline-earth metal; N is an alkaline metal; a, b, c, d and e are numbers such that: 1.95<a<2.4; 0<c<0.15; 0<d<0.16; 0<e<1.7; a+b+2c=3+2d+e.
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