Process for separating high viscosity bitumen from tar sands

Details Process for separating high viscosity bitumen from tar sands Process for separating high viscosity bitumen from tar sands

1980-10-06

1983-10-18

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 100, C10G 104

Patent

active

044104170

ABSTRACT:
A novel process for separating high viscosity bitumen from tar sand. The process includes grinding the tar sand to obtain phase disengagement of the bitumen phase from the sand phase and thereafter using flotation techniques to obtain phase separation of the bitumen phase from the sand phase. Phase disengagement is assisted by using a suitable wetting agent during the crushing step while the phase separation step is assisted by the inclusion of a promoter oil for the flotation step.

REFERENCES:
patent: 2453060 (1948-11-01), Bauer et al.
patent: 3271293 (1966-09-01), Clark
patent: 4067796 (1978-01-01), Alford et al.
patent: 4110195 (1978-08-01), Harding
patent: 4174263 (1979-11-01), Veatch et al.
patent: 4250017 (1981-02-01), Reale
patent: 4361476 (1982-11-01), Brewer

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