Isothermal vapor-liquid equilibria for the binary systems propylene-carbon dioxide,propylene-ethylene and propylene-ethane at high pressure |
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Authors: | Kazunari Ohgaki Susumu Nakai Satoshi Nitta Takashi Katayama |
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Institution: | Department of Chemical Engineering, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560 Japan |
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Abstract: | isothermal vapor-liquid equilibria for the binary systems propylene-carbon dioxide, propylene-ethylene and propylene-ethane have been measured at 283.15 and 298.15 K using a static method.The equilibrium data obtained have been correlated with the total-pressure method using both the Redlich-Kwong equation of state modified by Soave and the perturbation equation proposed by Gubbins and Twu. From normal probability plots of the residuals in the correlations versus the theoretical residuals in the normal distribution, the applicability of each of these two equations has been tested statistically.Furthermore, the fugacity coefficients calculated from the virial equation have been compared with those obtained from the correlations for the low-pressure regions. |
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Keywords: | To whom correspondence should be addressed |
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