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Rate of the vegetable oil extraction with supercritical CO2—III. Extraction from sea buckthorn

✍ Scribed by J. Šťastová; J. Jeẑ; M. Bártlová; H. Sovová

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
448 KB
Volume
51
Category
Article
ISSN
0009-2509

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✦ Synopsis

Al~tract--Oil from the seed and pulp of sea buckthorn berries (Hippopha~ rhamnoides L.) was extracted with carbon dioxide at pressures 9.(~27 MPa and temperatures 25-60°C. Influence of extraction conditions on solubility and mass transfer rate was studied. No marked changes in composition of extracted oil in the course of extraction were observed. Experimental extraction curves were evaluated using a model with grinding efficiency, volume mass transfer coefficients in solid and fluid phases, and parameter of flow asymmetry as adjustable parameters. The solid-phase mass transfer coefficient was increasing with rising temperature.

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