Dewatering of aqueous suspensions

Details Dewatering of aqueous suspensions Dewatering of aqueous suspensions

C - Chemistry, Metallurgy

02

F

C02F 1/52 (2006.01) B03D 1/02 (2006.01) C02F 1/24 (2006.01) C02F 1/54 (2006.01) C02F 1/56 (2006.01) C02F 9/00 (2006.01) D21C 5/02 (2006.01)

Patent

CA 2114437

2114437 9302966 PCTABScor01 A suspension which is preferably an ink-containing waste suspension formed during a paper deinking process is flocculated by a cationic polymeric flocculant, and the flocculated material is then aggregated by an anionic colloidal material mixed into the flocculated suspension, optionally further cationic flocculant is added, and the aggregated material is then separated from the suspension by flotation.

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