Mineral oils: processes and products – Tar sand treatment with liquid
Patent
1988-01-14
1992-09-01
Pal, Asok
Mineral oils: processes and products
Tar sand treatment with liquid
208391, C10G 104
Patent
active
051435985
ABSTRACT:
Methods for the recovery of bitumen from tar sands comprising the steps of mixing tar sand, solvent and a displacing amount of aqueous medium to form a mixture, followed by separating a bitumen-rich solvent phase from the mixture and recovering bitumen from the bitumen-rich solvent phase are disclosed.
REFERENCES:
patent: 4160718 (1979-07-01), Rendall
patent: 4423323 (1984-04-01), Horikoshi et al.
patent: 4424112 (1984-01-01), Randall
patent: 4427528 (1984-11-01), Lindorfer et al.
patent: 4460452 (1984-07-01), Johnson et al.
patent: 4722782 (1988-02-01), Graham et al.
Bernier, Jr. Edward J.
Graham Robert J.
Helstrom John J.
Peck Lawrence B.
Stone Richard A.
Amoco Corporation
Kottis Nick C.
Magidson William H.
Pal Asok
Wagner Robert J.
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