Process for retorting oil shale mixtures with added carbonaceous

Details Process for retorting oil shale mixtures with added carbonaceous Process for retorting oil shale mixtures with added carbonaceous

1981-08-10

1983-05-31

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 8R, C10B 5306, C10B 4900, C10B 4910

Patent

active

043859836

ABSTRACT:
A process for retorting oil shale, especially lean oil shale, which comprises heating oil shale in a retort zone in the absence of substantial molecular oxygen to evolve hydrocarbonaceous vapors therefrom, thereby producing retorted shale; burning the retorted shale with added carbonaceous material in a combustion zone in the presence of an amount of added combustion catalyst sufficient to increase the rate of combustion of said added carbonaceous material in said combustion zone; and transferring heat from the combustion zone to heat said lean shale.

REFERENCES:
patent: 4125157 (1978-11-01), Ridley
patent: 4148613 (1979-04-01), Myers
patent: 4199432 (1980-04-01), Tamm et al.

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