Isoelectric separation of oil sands

Details Isoelectric separation of oil sands Isoelectric separation of oil sands

B - Operations, Transporting

01

D

B01D 17/022 (2006.01) B03B 9/02 (2006.01) C10G 1/00 (2006.01)

Patent

CA 2638474

A process and system for substantially isoelectric separation of an oil sand slurry is disclosed and described. The process can include mining oil sand, crushing the oil sands, forming a slurry of the oil sands, and transporting the oil sands slurry to a sinusoidal pipe. The sinusoidal pipe acts to digest the slurry from which bitumen can be separated using a hydrocyclone. Overflow from the hydrocyclone can be further treated using a revolving oleophilic device from which bitumen is recovered. Various optional further treatments can be used to dewater and/or further treat the bitumen and other process streams. The use of caustic soda, long-term tailing ponds, and froth flotation can be avoided resulting in an effective production of oil using less water than currently conventional processes.

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