Process of drying and heating oil-containing solids

Details Process of drying and heating oil-containing solids Process of drying and heating oil-containing solids

1985-09-26

1987-04-21

Caldarola, Glenn

Mineral oils: processes and products

By treatment of solid mineral, e.g., coal liquefaction, etc.

Specified agitation or circulation in gas contact zone

208410, 208411, 208427, 208428, 201 31, C10G 102, C10B 5306

Patent

active

046594566

ABSTRACT:
Oil-containing solids are dried and heated by contacting them in a drying zone with superheated steam admitted to the zone at a temperature in excess of 200.degree. C. The heated solids may be distilled to remove hydrocarbons therefrom and the resulting proceduce and/or combustion products of the distillation or other combustion products are used to heat a mixed vapor remainder, after separation of said carbon from the vapors formed during the drying, to the temperature of 1200.degree. C. for recirculation to the drying zone.

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