Recovery of oil from oil sands

Details Recovery of oil from oil sands Recovery of oil from oil sands

1981-01-02

1982-07-06

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 104

Patent

active

043381855

ABSTRACT:
In the method of recovering oil from oil sand wherein the oil sand is tumbled in an aqueous alkaline solution to form a floating mass in which the oil is dispersed and the oil then recovered from the mass, the step of including in the aqueous alkaline solution 0.3 to 100 parts per million of a water-soluble member of the group consisting of anionic polyelectrolytes having a low molecular weight, acrylic acid, mannuronic acid and the sodium salts thereof.

REFERENCES:
patent: 3660268 (1972-05-01), Kelly
patent: 3951778 (1976-04-01), Willard

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