B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
196/17
B03B 9/02 (2006.01) C10G 1/04 (2006.01)
Patent
CA 2015784
The hot water process for extracting bitumen from oil sand is practiced observing the following novel combination of conditions: - no steam is used in the tumbler; - hot water is added to the tumbler in an amount between 25 and 35% by weight of the oil sand; - the temperature of the slurry in the tumbler is 40 to 55°C; and - the tumbler retention time is 7 to 12 minutes. This combination of features results in a process yielding primary froth and total bitumen recoveries that are comparable to the conventional process, even though the slurry is significantly reduced in temperature.
Cymbalisty Lubomyr M.o.
Siy Robert D.
Stone John A.
Alberta Energy Company Ltd.
Bennett Jones Llp
Canadian Occidental Petroleum Ltd.
Esso Resources Canada Limited
Gulf Canada Resources Limited
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