C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/32, 196/6.1
C10G 1/00 (2006.01) C10B 53/06 (2006.01)
Patent
CA 1119545
ABSTRACT OF THE DISCLOSURE INDIRECT HEAT RETORTING PROCESS WITH COCURRENT AND COUNTERCURRENT FLOW OF HYDROCARBON-CONTAINING SOLIDS 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.
320064
Mitchell David S.
Sageman David R.
Chevron Research And Technology Company
Smart & Biggar
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