C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/24
C10G 1/04 (2006.01)
Patent
CA 1094484
"FLOTATION AND CENTRIFUGATION METHOD FOR RECOVERY OF HYDROCARBONS FROM DILUTION CENTRIFUGING TAILINGS" ABSTRACT OF THE DISCLOSURE The invention has to do with treatment of dilution centrifuging tailings which are produced in connection with a hot water extraction operation for recovery of bitumen from oil sands. The tailings are subjected to induced gas flotation for a predetermined period of time to recover con- tained hydrocarbons as froth. The froth is then diluted with naphtha and centrifuged in two stages to recover most of the hydrocarbons in the froth as a processable product while reject- ing solids and water.
287612
Falkenberg Leigh
Lane Stephen
Porteous Kenneth
Canada-Cities Service Ltd.
Gulf Oil Canada Limited
Her Majesty The Queen In Right Of The Province Of Alberta
Imperial Oil Limited
Johnson Ernest Peter
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