Process for recovery of solvent from tar sand bitumen

Details Process for recovery of solvent from tar sand bitumen Process for recovery of solvent from tar sand bitumen

1984-12-03

1985-07-30

Gantz, D. E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

585867, 203 68, C10G 104

Patent

active

045320241

ABSTRACT:
There is described a process based on unit operations conventionally employed but modified to enable the use of chlorinated solvents, particularly methylene chloride as the preferred solvent for extraction of the bitumen from the tar sands or shale. The process in general constitutes:

REFERENCES:
patent: 3941679 (1976-03-01), Smith et al.
patent: 4029568 (1977-06-01), Pittman et al.
patent: 4046669 (1977-09-01), Blaine
patent: 4057485 (1977-11-01), Blaine
patent: 4264431 (1981-04-01), Ishikawa et al.
patent: 4347118 (1982-08-01), Funk et al.

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