Extraction and separation method and apparatus using supercritic

Details Extraction and separation method and apparatus using supercritic Extraction and separation method and apparatus using supercritic

1990-01-16

1991-05-07

Silverman, Stanley

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210656, 2101982, 210511, 260412, 2604128, 2604285, B01D 1104

Patent

active

050134434

ABSTRACT:
Extraction and separation method and apparatus using a supercritical fluid for extracting a specified component from a sample by a supercritical fluid and introducing the supercritical fluid containing the extracted component into a silica gel column coated with silver nitrate so as to separate the extracted component.
By the combination of the extracting operation by a supercritical fluid under mild conditions and chromatography taking the advantage of the selectivity of the silica gel column coated with silver nitrate to olefins, the extract is obtained at a high concentration without producing denaturation.

REFERENCES:
patent: 4260639 (1981-04-01), Zosel
patent: 4675132 (1987-06-01), Stout et al.
patent: 4692280 (1987-09-01), Spinelli et al.

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