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Supercritical Fluid Extraction of Binary Systems of Monoolein, Diolein and Triolein, Using Carbon Dioxide Solvent
1University Science Malaysia, email@example.com
2University Science Malaysia, firstname.lastname@example.org
Citation Information: International Journal of Chemical Reactor Engineering. Volume 5, Issue 1, Pages –, ISSN (Online) 1542-6580, DOI: 10.2202/1542-6580.1421, September 2007
- Published Online:
Supercritical fluid extraction solubility data for monoolein, diolein and triolein in carbon dioxide were measured using a phase equilibrium re-circulation high-pressure type apparatus at 60° C and at various pressures. In order to examine the supercritical fluid extraction operation effects at high-pressures, detailed experimental determination were made on the compositions of the equilibrium vapor and liquid phases in the system (carbon dioxide/monoolein, carbon dioxide/diolein and carbon dioxide/triolein) at various conditions. It was found that weight fractions of up to 1% of monoolein could be obtained in the vapor phase. This might be sufficient to make supercritical fluid extraction using carbon dioxide solvent a possibility for this component. This renders a separation by simple distillation impossible. These systems were modeled based on the Redlich-Kowng equation of state. The experimental data was found to agree well with the data obtained by the model.