Process for recovering products from tar sand

Details Process for recovering products from tar sand Process for recovering products from tar sand

1982-02-01

1983-10-11

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 11R, C10G 104

Patent

active

044090900

ABSTRACT:
A combination physical separation process and thermal fluidized bed process for recovering products from tar sands. The process includes initially separating a portion of the sand from the tar sand through a physical separation process, yielding a bitumen-rich concentrate. The bitumen-rich concentrate is introduced into a heated fluidized bed and products are recovered and distilled into their respective fractions. A coked sand is removed from the fluidized bed and placed into a combustor where the carbonaceous residue on the sand is burned to produce a hot burnt sand, a portion of which may be recycled to provide heat to the bitumen-rich concentrate in the fluidized bed. The coked sand and a certain fraction of the distilled products may be recycled to the physical separation process to improve the separation efficiency thereof.

REFERENCES:
patent: 3261775 (1966-07-01), Blaser
patent: 3320152 (1967-05-01), Nathan
patent: 3466240 (1969-09-01), Steinmetz
patent: 3518181 (1970-06-01), Tse
patent: 4120776 (1978-10-01), Miller
patent: 4161442 (1979-07-01), Audeh
patent: 4337143 (1982-06-01), Hanson et al.

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