Recovery of oil from tar sands

Details Recovery of oil from tar sands Recovery of oil from tar sands

1976-10-28

1978-01-31

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 20, 208106, C10G 104, C10B 5704, C10G 900

Patent

active

040714330

ABSTRACT:
Tar sand is blended in a melt tank with oil to form a slurry which is separated into two streams one containing coarse sand, the other fine sand. The stream containing fine sand is then introduced into a coker yielding coke and a hydrocarbon vapor stream, the latter is introduced into the bottom section of a fractionator. The stream containing coarse sand is filtered. The sand is stripped with kerosine which is then fed to the fractionator together with the filtrate at intermediate points. The fractionation produces gas, gasoline, kerosine and various cuts of oil including heavy bottoms which are recycled to the coker and heavy gas oil which can be recycled to the melt tank.

REFERENCES:
patent: 2772209 (1956-11-01), Stewart et al.
patent: 3466240 (1969-09-01), Steinmetz
patent: 3480540 (1969-11-01), Eng et al.
patent: 3607720 (1971-09-01), Paulson

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