Process for upgrading carbonaceous material comprising liquid ex

Details Process for upgrading carbonaceous material comprising liquid ex Process for upgrading carbonaceous material comprising liquid ex

1984-08-31

1987-02-03

Metz, Andrew H.

Mineral oils: processes and products

Tar sand treatment with liquid

201 16, C10G 104

Patent

active

046407600

ABSTRACT:
Tar sands are solvent extracted to form an oil-containing extract and a sandy residue. The solvent can be distilled from the oil and recycled. Residual solvent vapors can be adsorbed on an adsorbent bed. The sandy residue can be flash pyrolyzed to provide a combustible synthesis gas and/or combusted to provide process heat. Where the adsorber bed is formed from activated charcoal, a pair of beds on swing adsorption/regeneration cycles can be regenerated with steam and provide for continuous adsorption solvent vapors.

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