Separation of bitumen and water in a separator vessel

Details Separation of bitumen and water in a separator vessel Separation of bitumen and water in a separator vessel

C - Chemistry, Metallurgy

10

G

C10G 1/04 (2006.01)

Patent

CA 2069515

"SEPARATION OF BITUMEN AND WATER IN A SEPARATOR VESSEL" ABSTRACT OF THE DISCLOSURE The feedstock to the process is the produced fluid emulsion from a steam-assisted gravity drainage process conducted in a subterranean oil sand reservoir. This stream is an emulsion of bitumen and water. The feedstock is temporarily retained in a gravity separation vessel for about an hour at elevated pressure and at a temperature of at least 205°C, preferably about 215°C, in contact with an effective concentration of chemical demulsifier. Under these temperature conditions, the density of the bitumen is sufficiently greater than that of the water so that gravity separation will occur effectively and the bitumen can be recovered from the base of the vessel and the water from the upper portion of the vessel.

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