B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
196/22
B03B 9/02 (2006.01)
Patent
CA 2000068
ABSTRACT An improved process for the recovery of bitument from the bitumen froth of the hot water extraction process of oil sands which eliminates the diluent centrifugation or other dilution technique of such bitumen froth by subjecting the bitumen froth-aqueous solids mixture to a gravity separation at a temperature of between about 250°F. and about 450°F. and at a pressure sufficient to prevent vaporization of water and bitumen.
Gowling Lafleur Henderson Llp
Hall Frederick T.
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