Liquid purification or separation – With means to add treating material – Directly applied to separator
Patent
1989-03-08
1990-09-04
Spear, Frank
Liquid purification or separation
With means to add treating material
Directly applied to separator
2102212, 210521, B01D 2106
Patent
active
049542540
ABSTRACT:
The invention provides a process for extracting bitumen from oil sands. The process includes the step of conditioning the oil sands by adding hot water and steam to the oil sands. The conditioned oil sands are then introduced into a separation zone. Separation of the oil sands into a bitumen froth phase, a middlings phase and a tailings phase occurs in the separation zone. Water with air dissolved therein is continuously injected under pressure upwardly through the separation zone. The water is at a low temperature relative to the oil sands. At least two of the phases are then separately withdrawn from the separation zone.
REFERENCES:
patent: 2458061 (1949-01-01), Coulter
patent: 2585608 (1952-02-01), Wieghart
patent: 4545892 (1985-10-01), Cymbalisty et al.
Corti Aldo
Falcon John A.
Gulf Canada Corporation
RTR Oil Sands (Alberta) Ltd.
Spear Frank
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