Method for destructive distillation of hydrocarbonaceous materia

Details Method for destructive distillation of hydrocarbonaceous materia Method for destructive distillation of hydrocarbonaceous materia

1976-06-11

1978-02-21

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 29, 208341, C10G 102

Patent

active

040750833

ABSTRACT:
A method of retorting oil shale which comprises the steps of passing the material in particulate form downwardly as a continuous vertical column of solid material successively through a preheating zone, a distillation zone, a combustion zone, and a residue cooling zone. An improved method of product oil recovery is disclosed whereby the vapor product is subjected to sequential treatment with cyclone separators and an absorption column, with a portion of the resulting noncondensible gases being recycled to the retort.

REFERENCES:
patent: 2813823 (1957-11-01), Putman
patent: 3318798 (1967-05-01), Kondis et al.
patent: 3526586 (1970-09-01), Saxton
patent: 3551322 (1970-12-01), Clampitt
patent: 3736247 (1973-05-01), Jones et al.

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