04167470 is referenced by 22 patents and cites 1 patents.

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.

Title
Process and apparatus for solvent extraction of oil from oil-containing diatomite ore
Application Number
5/905861
Publication Number
4167470
Application Date
May 15, 1978
Publication Date
September 11, 1979
Inventor
George B Karnofsky
1163 Firwood Dr., Pittsburgh, 15243
PA, US
IPC
C10G 17/00
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