Oil sands separator and separation method

B - Operations – Transporting – 03 – B

Patent

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196/17

B03B 9/02 (2006.01) B01D 11/02 (2006.01) C10G 1/04 (2006.01)

Patent

CA 2030934

Oil Sands Separator and Separation Method William L. Strand ABSTRACT An oil sands separator includes a drum having a solids discharge end and a liquid discharge end and a spiral ribbon having a plurality of flights wound inside the interior of the drum. The spiral ribbon extends from the solids discharge end to adjacent the liquid discharge end. A first plate partially closes the solids discharge end and has a first opening disposed within it. A second plate partially closes the liquid discharge end and has a second opening disposed within it. A conveyor is provided at the liquid discharge end for conveying feed into the drum through the second opening into at least one flight of the spiral ribbon. A pipe at the solids discharge end conveys hot water into the drum through the first opening. Pockets at the solids discharge end remove solids from the drum. A drive means rotates the drum with the spiral ribbon. A process of separating oil from oil sand comprises conveying oil sand to a feed end of a separator, providing hot water to a solids discharge end, opposed to the feed end, of the separator in an amount sufficient to cover the oil sand in the separator, flowing the hot water to the feed end of the separator, moving the oil sand to the solids discharge end of the separator while gently agitating the oil sand in the presence of the hot water to release oil into the hot water, removing solids from the solids discharge end of the separator; and removing the hot water and oil mixture from the feed end of the separator.

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