Recovery of hydrocarbon diluent from tailings

A method for recovering hydrocarbon diluent from tailings comprising bitumen, particulate solids, hydrocarbon diluent and water, is provided comprising introducing the tailings into a high pressure stripping vessel operating at a pressure greater than 100 kPa; and introducing a stripping gas into th...

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Hauptverfasser: Cymerman, George, Bhattacharya, Sujit, Bulbuc, Daniel John, McKnight, Craig A, Bara, Barry
Format: Patent
Sprache:eng
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Zusammenfassung:A method for recovering hydrocarbon diluent from tailings comprising bitumen, particulate solids, hydrocarbon diluent and water, is provided comprising introducing the tailings into a high pressure stripping vessel operating at a pressure greater than 100 kPa; and introducing a stripping gas into the high pressure stripping vessel to strip the hydrocarbon diluent and water from the tailings and form a stripped tailings pool at the bottom of the vessel.