Recovery of a carbonaceous liquid with a low fines content

Details Recovery of a carbonaceous liquid with a low fines content Recovery of a carbonaceous liquid with a low fines content

1985-09-10

1987-10-13

Pal, Asok

Mineral oils: processes and products

Tar sand treatment with liquid

C10G 104

Patent

active

046997091

ABSTRACT:
A method for removing solid fines in an extraction of bitumen by (1) extracting bitumen with a mixed solvent comprising at least one solvent with a solubility parameter higher than that of the bitumen and at least one solvent with a solubility parameter lower than that of the bitumen to obtain a bitumen laden solvent mixture and (2) treating the bitumen laden solvent mixture to remove the lower solubility parameter solvent to precipitate undissolved asphaltenic bitumen and solid fines.

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patent: 4584087 (1986-04-01), Peck
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