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In relation to this article, we declare that there is no conflict of interest.
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Received January 26, 2005
Accepted June 23, 2005
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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High Pressure Vapor-Liquid Equilibria of Binary System 1,1,1-trifluoroethane (HFC-143a)+Propane (HC-290)

Department of Chemical & Biomolecular Engineering, Sogang University, C.P.O. Box 1142, Seoul 100-611, Korea 1Division of Environmental and Process Technology, KIST, P.O. Box 131, Cheongryang, Seoul, 130-650, Korea
limjs@sogang.ac.kr
Korean Journal of Chemical Engineering, November 2005, 22(6), 932-937(6), 10.1007/BF02705678
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Abstract

.Isothermal vapor-liquid equilibrium data were measured for the binary mixture of 1,1,1-trifluoroethane (HFC-143a)+propane (HC-290) at six equally spaced temperatures between 268.15 and 318.15 K by using a circulation-type equilibrium apparatus. The phase composition at equilibrium was measured by gas chromatography. The experimental data were compared with the calculated data based on the Carnahan-Starling-De Santis (CSD) equation of state. Good agreement between experimental and calculated data indicates that the CSD equation of state can be used to estimate thermodynamic properties for the mixture of HFC-143a+propane in the range of temperatures between 268.15 and 318.15 K. The binary system of HFC-143a+propane exhibits azeotropes.

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