Oil recovery from tar sands

Details Oil recovery from tar sands Oil recovery from tar sands

C - Chemistry, Metallurgy

10

G

196/18

C10G 1/04 (2006.01)

Patent

CA 1172194

Abstract of the Disclosure A process for recovering oil from oil wet tar sand and particularly from oil-wet, acidic tar sands is described in which these sands are subjected to vigorous fluidization in the presence of water, air and a surfactant but in the absence of an extraneous hydrocarbon solvent. This step produces a multiphase mixture including an oil containing froth enabling gravity separation, e.g. in hydrocyclone.

391876

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