Method and apparatus for separation of heterogeneous phases

Details Method and apparatus for separation of heterogeneous phases Method and apparatus for separation of heterogeneous phases

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 At least two of the phases are then separately withdrawn from the separation zone.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.

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