Integrated process for bitumen recovery, separation and...

Fuel and related compositions – Liquid fuels – Emulsion fuel

Reexamination Certificate

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C044S361000, C044S280000, C044S561000, C044S569000, C044S628000, C060S780000, C062S607000, C166S266000, C208S390000, C208S391000, C516S043000, C516S047000

Reexamination Certificate

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10646134

ABSTRACT:
The invention relates to a process for splitting bitumen into two fractions and rendering a heavier bottom fraction as a useable emulsion fuel. The process is particularly effective in creating an alternate fuel to natural gas in a steam-based bitumen recovery process wherein bitumen is recovered from an underground reservoir.

REFERENCES:
patent: 4119149 (1978-10-01), Wu et al.
patent: 4331532 (1982-05-01), Bose
patent: 4666457 (1987-05-01), Hayes et al.
patent: 5876592 (1999-03-01), Tipman et al.
patent: 6066186 (2000-05-01), Matsumoto
patent: 6113659 (2000-09-01), Logaraj et al.
patent: 6187063 (2001-02-01), Gunnerman
Sankey, B.M., Ghosh, M., and Chakrabarty, T. (1995) “Bitumen Utilization via Partial Upgrading and Emulsification”, 6thUNITAR International Conference on Heavy Crude and Tar Sands, vol. 2, Feb. 12-17, 1995, p. 269-276.

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