Cationic polymer composition for sludge dewatering

Details Cationic polymer composition for sludge dewatering Cationic polymer composition for sludge dewatering

C - Chemistry, Metallurgy

08

F

C08F 2/32 (2006.01) C02F 1/56 (2006.01) C02F 9/00 (2006.01) C02F 11/14 (2006.01) D21C 9/18 (2006.01)

Patent

CA 2210865

An improved sludge dewatering composition is prepared by (i) forming an aqueous solution of a water soluble nonionic monomer, a cationic comonomer, and a cationic polymer, (ii) emulsifying the aqueous solution in a sufficient quantity of hydrocarbon oil to form a water-in-oil emulsion, and (iii) polymerizing the monomers.

Composition améliorée pour la déshydratation des boues, préparée par (i) formation d'une solution aqueuse d'un monomère hydrosoluble non ionique, d'un comonomère cationique et d'un polymère cationique, (ii) émulsification de la solution dans une quantité suffisante d'huiles hydrocarbonées pour former une émulsion d'eau dans l'huile, (iii) polymérisation des monomères.

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