Process for oil shale retorting

Details Process for oil shale retorting Process for oil shale retorting

1978-01-03

1981-10-27

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 29, 201 32, 201 36, C10G 100, C10B 2118, C10B 4720, C10B 5712

Patent

active

042972019

ABSTRACT:
Particulate oil shale is subjected to a pyrolysis with a hot, non-oxygenous gas in a pyrolysis vessel, with the products of the pyrolysis of the shale contained kerogen being withdrawn as an entrained mist of shale oil droplets in a gas for a separation of the liquid from the gas. Hot retorted shale withdrawn from the pyrolysis vessel is treated in a separate container with an oxygenous gas so as to provide combustion of residual carbon retained on the shale, producing a high temperature gas for the production of some steam and for heating the non-oxygenous gas used in the oil shale retorting process in the first vessel. The net energy recovery includes essentially complete recovery of the organic hydrocarbon material in the oil shale as a liquid shale oil, a high BTU gas, and high temperature steam.

REFERENCES:
patent: 3573194 (1971-03-01), Hopper et al.
patent: 3619405 (1971-11-01), Smith
patent: 3634225 (1972-01-01), Garbett

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