Dewaterability of alum sludges using high molecular weight...

Details Dewaterability of alum sludges using high molecular weight... Dewaterability of alum sludges using high molecular weight...

C - Chemistry, Metallurgy

02

F

362/49

C02F 1/56 (2006.01)

Patent

CA 1236939

ABSTRACT OF THE DISCLOSURE A method for dewatering alum sludges obtained from waste water treatment processes which comprises treating said sludges prior to or during their formation with a water-soluble anionic polymer of acrylamide and/or acrylic acid with 2-acrylamido methyl propane sulfonic acid (AMPS), said polymer having a molecular weight of at least 5 million.

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