Combination thermal and solvent extraction oil recovery process

Details Combination thermal and solvent extraction oil recovery process Combination thermal and solvent extraction oil recovery process

1982-05-07

1985-01-22

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 11LE, C10G 102, C10G 104, C10G 100, C10B 5306

Patent

active

044950578

ABSTRACT:
A combination process disclosed utilizes a thermal (pyrolysis) operation (12) and solvent extraction operation (11) that operate simultaneously on an infeed of crushed tar sand (13). In a heat recovery operation (15) the solvent extraction operation receives waste heat from hot spent sand from the thermal operation to increase operating efficiency of the process. Makeup solvent is taken from the oil product derived from the extraction operation and recycled to be used in the solvent extraction operation. In a blending operation (16) the sand from both thermal and solvent extraction operations are blended in a sand mixer (34) to improve the quality of the sand discharged and the oil products from both operations are blended by a product mixer (31) to increase the viscosity of the final oil product.

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patent: 4337143 (1982-06-01), Hanson et al.

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