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Prediction of the Solubility of Orange Essential Oil in High Pressure CO2
Author

Housam Binous
Organization: KFUPM
Department: Chemical Engineering
URL: http://sites.google.com/site/homepageofdrhousambinous/
Revision date

2006-04-14
Description

This work describes the application of the Peng Robinson equation of state to predict solubility of orange essential oil in high pressure CO2 at 308.15K. Pressure is varied from 20 to 77 bars. This problem was presented in the paper by L. Cardoso-Filho, F. Wolff and M. A. A. Meireles, High Pressure Phase Equilibrium: Prediction of Essential Oil Solubility, Cienc. Tecnol. Aliment., Vol 17, NO. 4, Campinas Dec. 1997. Good qualitative agreement with the above reference is obtained. Similar calculations can be easily conducted for the Soave Redlich Kwong equation of state after simple modifications of the present notebook. Solubility of other essential oils in high pressure CO2 can be computed in a similar fashion if data such as compositions of the oils and binary interaction parameters are available. Essential oils are composed of terpenes as well as other valuable aromatic compounds. Supercritical extraction using CO2 is now replacing other extraction techniques such as solvent extraction, steam distillation.
Subjects

*Engineering > Chemical Engineering
*Science > Chemistry
Keywords

Essential oil, orange essential oil, supercritical extraction, Peng Robinson, equation of state, phase equilibria, equilibrium constants, high pressure CO2
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Orange-Essential-Oil-CO2-PENG-ROBINSON.nb (64.3 KB) - Mathematica Notebook [for Mathematica 5.2]