Clarification of turbid waters

Details Clarification of turbid waters Clarification of turbid waters

C - Chemistry, Metallurgy

02

F

362/50

C02F 1/00 (2006.01)

Patent

CA 1060592

A B S T R A C T A method of treating an aqueous dispersion of negatively charged colloidal particles to flocculate at least a portion of said particles which comprises treating said aqueous dispersion simultaneously with a polyalkylen- imine polymer having a molecular weight from 5,000 to 100,000 and a polyalkylene polyamine polymer having the formula H2N-(CnH2nNH)a-H wherein n ranges from 2 to 4 and "a" ranges from 250 to 5,000, said two polymers being employed in a weight ratio to each other ranging from 1 to 99 to 99 to 1.

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