Measurement and correlation of solubilities ofo- , m- andp-Coumaric Acid isomers in supercritical Carbon Dioxide |
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| Authors: | Eun Sun Choi Hun Yong Shin Seong-Sik You Ki-Pung Yoo |
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| Affiliation: | (1) Department of Chemical Engineering, Sogang University, C.P.O. Box 1142, Seoul, Korea |
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| Abstract: | The solubility of isomerico-, m- and p-coumaric acids in supercritical carbon dioxide were measured by a flow-type experimental apparatus at 308.15-323.15 K and 8.5–25 MPa. The data were modeled by an empirical density-based correlation and a recent EOS formulated by the authors based on approximated lattice-hole theory. We found thatm-coumaric acid showed the highest solubility and o-coumaric acid showed the lowest solubility at the experimental pressures and temperatures. |
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| Keywords: | Supercritical Fluid Extraction Carbon Dioxide Biosubstances Coumaric Acid homers Thermodynamic Modeling |
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