Process for retorting oil shale with fluidized retorting of shal

Details Process for retorting oil shale with fluidized retorting of shal Process for retorting oil shale with fluidized retorting of shal

1983-07-05

1985-05-07

Shine, W. J.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 102

Patent

active

045156794

ABSTRACT:
Hot particles removed from a retort, preferably retort-sized particles of oil shale removed from a retort operating at superatmospheric pressure, are crushed and fed to a fluidized surge zone maintained under non-oxidizing conditions at substantially the pressure of the retort to forestall escape of retort gases. Raw fines are introduced into the surge zone and retorted without agglomeration by heat transferred from the hot retorted particles and/or a heated fluidizing gas stream to educe hydrocarbonaceous vapors. Educed vapors are scrubbed, condensed and separated into liquid and gaseous product streams, a portion of the latter being recycled to provide fluidizing process gas streams.

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