Pipeline conditioning process for mined oil-sand

Details Pipeline conditioning process for mined oil-sand Pipeline conditioning process for mined oil-sand

B - Operations, Transporting

03

B

196/17

B03B 9/02 (2006.01) B65G 53/30 (2006.01)

Patent

CA 2029795

As-mined, naturally water-wet oil sand is mixed at the mine site with hot water, air and NaOH to produce a slurry. The slurry is pumped through a pipeline at least about 2.5 kilometres in length and is fed directly to a conventional gravity separation vessel. In the course of being pumped through the pipeline, sufficient coalescence and aeration of bitumen occurs so that, when subsequently retained in the vessel under quiescent conditions, a desirable amount of the bitumen floats, forms froth, and is recovered.

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