C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/24
C10G 1/02 (2006.01) C10G 1/04 (2006.01)
Patent
CA 2272035
A process for recovery of hydrocarbon diluent from tailings produced in a bitumen froth treatment plant comprises introducing the tailings into a vacuum flash vessel maintained at a sufficiently low sub-atmospheric pressure to vaporize the major portion of the contained diluent and some water. The residual tailings then pool near the bottom of the flash vessel. Steam is then introduced into the tailings pool for vaporizing residual diluent and some water to improve diluent recovery.
Bara Barry
Brown Wayne
Denton Rodney
Sarkar Sam
Aec Oil Sands L.p.
Aec Oil Sands Limited Partnership
Athabasca Oil Sands Investments Inc.
Bennett Jones Llp
Canadian Occidental Petroleum Ltd.
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