B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
B03B 5/48 (2006.01) B03B 9/02 (2006.01) B04C 3/00 (2006.01) C10G 1/04 (2006.01)
Patent
CA 2700446
Methods and equipment are disclosed and claimed for rapidly producing a slurry from oil sand ore and water, and for rapidly separating the resulting oil sand slurry at a location potentially closer to the mine face than practiced in prior oil sands art. The oil sand slurry is produced in a cateracting slurry drum generally in less than 2 minutes and contains approximately 58% solids and very little air. After oversize removal this slurry is agglomerated and separated by means of a rugged revolving apertured oleophilic screen in about 10 minutes, yielding high bitumen recovery. The effluent tailings are continuously dewatered and the produced water and its contained fines are returned to the process. During dewatering, fines are captured interstitially in the voids of the solid tailings. The solid tailings may be used for site remediation, potentially without the need for long duration storage at conventional tailings ponds. The oleophilic screen was found to be very tolerant of fines in the recycle water.
Kruyer Jan
Kruyer Jan
Na
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