Indirect heat retorting process with cocurrent and countercurren

Details Indirect heat retorting process with cocurrent and countercurren Indirect heat retorting process with cocurrent and countercurren

1978-03-28

1980-01-15

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 11R, C10G 100

Patent

active

041838009

ABSTRACT:
A continuous process is disclosed for the retorting of oil shale or other similar hydrocarbon containing solids. Heat carrier particles at an elevated temperature are introduced into an upper portion of a retort and pass downwardly therethrough, fluidized by an upwardly flowing non-oxidizing gas introduced in a lower portion of the retort. The hydrocarbon-containing solids are introduced into an intermediate portion of the retort; a first portion thereof being entrained by the gas and flowing upwardly through the retort and a second portion thereof being fluidized by the gas and flowing downwardly through said retort. Retorted fluidized solids and heat carrier particles are removed from a lower portion of the retort and a product stream of hydrocarbon vapors mixed with the entrained retorted solids and fluidizing gas is recovered overhead.

REFERENCES:
patent: 2557680 (1951-06-01), Odell
patent: 2723951 (1955-11-01), Minet
patent: 2984602 (1961-05-01), Nevens et al.
patent: 3483116 (1969-12-01), Hoffert
patent: 3484364 (1969-12-01), Hemminger
patent: 3501394 (1970-03-01), Lyons
patent: 4064018 (1977-12-01), Choi
patent: 4087347 (1978-05-01), Langlois et al.
patent: 4092237 (1978-05-01), Reed

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