Amine polymers having dewatering activity

C - Chemistry – Metallurgy – 08 – F

Patent

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402/332, 402/38,

C08F 20/42 (2006.01) B01D 21/01 (2006.01) C02F 1/54 (2006.01) C02F 1/56 (2006.01) C08F 8/32 (2006.01) C08F 8/34 (2006.01) C08F 8/44 (2006.01)

Patent

CA 1135446

Abstract Amine polymers are used to dewater suspensions of particulate matter in water. The polymers are synthesized by the reaction of a nitrile polymer such as polyacrylo- nitrile, an aminating agent, and a sulfur activator. The dewatering properties of these amine polymers can be beneficially employed to treat sewage sludge, silt laden water, industrial waste and the like.

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