Polyaluminumchlorosulfates and preparation and uses thereof

Details Polyaluminumchlorosulfates and preparation and uses thereof Polyaluminumchlorosulfates and preparation and uses thereof

C - Chemistry, Metallurgy

01

F

C01F 7/00 (2006.01) C02F 1/52 (2006.01) D21H 17/66 (2006.01) D21H 21/10 (2006.01)

Patent

CA 2089697

The invention relates to high basicity water-soluble polyaluminumchlorosulfate, having the formula: A1(OH)aC1b(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; said polyaluminumchlorosulfate yielding a content of polymeric aluminum A113 of at least 1 mol % where said polyaluminum chlorosulfate is dissolved in water to form a solution which has an aluminum concentration of 0,01 M, and said polyalumi- numchlorosulfate having a basicity higher than 65%.

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