Shale retorting process

Details Shale retorting process Shale retorting process

1976-09-20

1978-05-02

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 12, 201 34, C10G 102

Patent

active

040873471

ABSTRACT:
Disclosed is a process for the retorting of shale and other similar hydrocarbon-containing solids in which the solids to be retorted are mixed with a solid heat transfer material to rapidly heat the hydrocarbon-containing solids to a high temperature. The shale and heat-transfer material are entrained in a high-velocity gaseous stream and conveyed upward in a vertical dilute phase lift pipe retorting vessel whereby the hydrocarbon-containing solids are rapidly heated to an elevated temperature vaporizing a minor portion of the hydrocarbons in the solid. The hydrocarbon-containing solids then pass into a disengaging zone wherein the gas and solids are separated. The partially retorted solids then pass into a gravitating bed retort and flow downward countercurrent to the flow of a stripping gas. The process is characterized by a high liquid yield and a minimum gas yield along with minimal amounts of volatile components being left in the retorted solids.

REFERENCES:
patent: 2582712 (1952-01-01), Howard
patent: 2634198 (1953-04-01), Kalbach
patent: 3281349 (1966-10-01), Evans
patent: 3501394 (1970-03-01), Lyons
patent: 3655518 (1972-04-01), Schmalfed et al.
patent: 3784462 (1974-01-01), Frick

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