C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/52 (2006.01) B01D 37/03 (2006.01) C02F 1/54 (2006.01) C02F 1/56 (2006.01) C02F 9/00 (2006.01) C02F 11/12 (2006.01) D21C 5/02 (2006.01)
Patent
CA 2114436
A suspension which is preferably an ink-containing waste suspension recovered from 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 belt press or other pressure filtration.
Ford Philip Anson
Langley John Graham
Satterfield Brian Frederic
Tremont Stephen Robert
Allied Colloids Limited
Borden Ladner Gervais Llp
Ciba Specialty Chemicals Water Treatments Limited
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