Purification of sterols with activated carbon as adsorbent and c

Details Purification of sterols with activated carbon as adsorbent and c Purification of sterols with activated carbon as adsorbent and c

1987-12-11

1989-11-21

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210694, 26039725, B01D 1500

Patent

active

048820652

ABSTRACT:
An adsorptive separation process for separating sterols from a tall oil feed mixture, which process comprises contacting the feed mixture with an adsorbent comprising an activated-type carbon sieve having a pore diameter of 15-20 .ANG. and a surface area of 300-1500 m.sup.2 /g, selectively adsorbing substantially all of the sterols to be separated on the adsorbent and thereafter recovering high purity sterols. A desorption step is used to desorb the adsorbed sterols with an aromatic liquid, e.g., chlorobenzene.

REFERENCES:
patent: 2985589 (1961-05-01), Broughton
patent: 3040777 (1962-06-01), Carson et al.
patent: 3422848 (1969-01-01), Liebman et al.
patent: 3706812 (1972-12-01), DeRosset et al.
patent: 4664807 (1987-05-01), Van Dam et al.
W. J. Dorson et al., Trans. Am. Soc. Artif. Intern. Organs, 25, pp. 77-80, 1979.

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