Process and apparatus for solvent extraction of oil from oil-con

Details Process and apparatus for solvent extraction of oil from oil-con Process and apparatus for solvent extraction of oil from oil-con

1978-05-15

1979-09-11

Levine, Herbert

Mineral oils: processes and products

Phenolic or toxic oils

208 11LE, C10G 1700

Patent

active

041674707

ABSTRACT:
A process for solvent extraction of oil from oil bearing diatomite ore and an apparatus for use therewith, wherein the ore is extracted by countercurrent decantation with a hydrocarbon solvent, solvent is recovered from the extract by multiple effect evaporation followed by stripping, and the spent diatomite is contacted with water to displace a major portion of the solvent therefrom, and solvent is recovered from the aqueous slurry of the spent diatomite by stripping with steam at superatmospheric pressure.

REFERENCES:
patent: 4057486 (1977-11-01), Meadus et al.

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