Process for extracting oil from tar sands

Details Process for extracting oil from tar sands Process for extracting oil from tar sands

1988-09-23

1990-10-30

Pal, Asok

Mineral oils: processes and products

Tar sand treatment with liquid

208391, C10G 104

Patent

active

049666851

ABSTRACT:
A process for the extraction of oil and bitumen fractions from tar sands comprising the steps of heating the tar sands to 70.degree.-150.degree. F., mixing with an aqueous solutions of water soluble separation chemicals, particularly sulfonated fatty acids or salts, holding the tar sand and the separation chemicals for a sufficient period of time to allow the bitumen to float to the top and the sand to sink to the bottom, and separation of the oil or bitumen fractions from water and the separation chemicals.

REFERENCES:
patent: 4270609 (1981-06-01), Choules
patent: 4402552 (1983-09-01), Bass et al.
patent: 4443322 (1984-04-01), Jubenville
patent: 4462892 (1984-07-01), Schramm et al.
patent: 4514325 (1985-04-01), Russo et al.

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