Solvent Extractor

Details Solvent Extractor Solvent Extractor

1984-03-21

1988-05-03

Lacey, David L.

Mineral oils: apparatus

Solvent extraction

422269, 422281, B01D 1102

Patent

active

047418060

ABSTRACT:
Supercritical extraction of diatomaceous earth results in a much more significant improvement in hydrocarbon recovery over Fischer retorting than achievable with tar sands. Process and apparatus for supercritical extraction of diatomaceous earth are disclosed.

REFERENCES:
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patent: 1529505 (1925-03-01), Reilly
patent: 2913388 (1959-11-01), Howell et al.
patent: 3509037 (1970-04-01), Tse
patent: 4139450 (1979-02-01), Hanson et al.
patent: 4167470 (1979-09-01), Karnofsky
patent: 4322284 (1982-03-01), Tsai et al.
patent: 4325803 (1982-04-01), Green et al.
patent: 4347118 (1982-08-01), Funk et al.

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