2003•Separation Science and TechnologyRequires access

Modeling of the Thyme–Supercritical Carbon-Dioxide Extraction System. II. The Influence of Extraction Time and Carbon Dioxide Pressure

Zoran P. Zeković, Žika Lepojević, Aleksandar Tolić

Abstract

The influence of extraction time and carbon dioxide pressure (i.e., carbon dioxide density) on supercritical fluid extraction of thyme was investigated. For determination of obtained extracts, HPLC and GC-MS methods were used. To model extraction of the thyme–supercritical carbon dioxide system, we used the Reverchon-Sesti Osseo equation as well as our modified equation.

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Key concepts: Supercritical carbon dioxide, Chemistry, Carbon dioxide, Extraction (chemistry), Supercritical fluid extraction, Chromatography, Supercritical fluid, Organic chemistry