Flocculant for bitumen tailings

B - Operations – Transporting – 03 – B

Patent

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196/19

B03B 9/02 (2006.01) B01D 21/01 (2006.01) C02F 1/54 (2006.01) C10G 1/04 (2006.01)

Patent

CA 1273888

ABSTRACT An improved method for the flocculation of aqueous tailings obtained from the processing of bitumen from tar sands comprising the addition to the tailings as a flocculant, a high-molecular weight, water soluble anionic polyacrylamide having about 26% to about 36% of its amide groups hydrolyzed to carboxy groups and converted to the sodium salt.

519513

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