C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 1/04 (2006.01) C10C 3/00 (2006.01)
Patent
CA 2588043
In an oil sand processing plant, in which produced oil sand is mixed with a solvent, water and air to produce a bitumen froth, separation of the froth into maltenes and asphaltenes enriched fractions is enhanced by: adding a paraffinic solvent in an incremental manner to the froth; separating the froth/solvent mixture in a settler in an overflow fraction, which is enriched in maltenes and paraffinic solvent, and an underflow fraction which is enriched in asphaltenes, water and solids; discharging the overflow fraction from an upper region of the settler; and discharging the underflow fraction from a lower region of the settler.
Fryer Scott John
Komishke Bradley Dean
Long Yicheng
Power William James
Chevron Canada Limited
Marathon Oil Sands L.p.
Shell Canada Energy A. General Partnership Formed Under The Laws Of The Province Of
Smart & Biggar
Western Oil Sands L.p.
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