Polymeric compositions for dewatering sewage sludges

Details Polymeric compositions for dewatering sewage sludges Polymeric compositions for dewatering sewage sludges

C - Chemistry, Metallurgy

08

L

C08L 33/14 (2006.01) C02F 1/56 (2006.01) C02F 11/14 (2006.01) C08G 73/02 (2006.01) C08L 33/26 (2006.01) C08L 79/02 (2006.01)

Patent

CA 2418483

Compositions comprising of blends of polymeric materials, including a cationic polymer having an intrinsic viscosity of from 8 to 17 dl/g and a cationic content of from 20 to 100 % which may be used in the dewatering of thermophilic sludges.

L'invention concerne des compositions constituées de mélanges de matières polymériques, dont un polymère cationique présentant une viscosité intrinsèque comprise entre 8 et 17 dl/g et une teneur en cations comprise entre 20 et 100 %. Ces compositions peuvent être utilisées pour déshydrater des boues thermophiles.

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