B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 17/05 (2006.01) C02F 1/56 (2006.01) C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08K 3/30 (2006.01) C08L 3/04 (2006.01) C08L 3/08 (2006.01) C08L 71/03 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2068013
ABSTRACT OF THE INVENTION A cationic polyelectrolyte demulsifier and coagulator for use in demulsifying and coagulating oil in water emulsions comprising a mixture of three cationic polyelectrolytes wherein the polyelectrolytes comprise (a) an inorganic polyelectrolyte, (b) a cationically modified starch and (c) an epihalohydrin. The inorganic polyelectrolyte component (a) is selected from the group consisting of polyaluminum chloride, alum, calcium hydroxide, and mixtures thereof.
Curran Thomas P.
Mitchell David B.
Salihar Mark W.
Betzdearborn Inc.
Gowling Lafleur Henderson Llp
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