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Experimental study of high pressure phase equilibrium of (CO2 + NO2/N2O4) mixtures

Camy, Séverine and Letourneau, Jean-Jacques and Condoret, Jean-Stéphane Experimental study of high pressure phase equilibrium of (CO2 + NO2/N2O4) mixtures. (2011) The Journal of Chemical Thermodynamics, vol. 43 (n° 12). pp. 1954-1960. ISSN 0021-9614

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Official URL: http://dx.doi.org/10.1016/J.JCT.2011.07.007

Abstract

Experimental bubble pressure, as well as liquid density of (CO2 + NO2/N2O4) mixtures are reported at temperatures ranging from (298 to 328.45) K. Experiments were carried out using a SITEC high-pressure variable volume cell. Transition pressures were obtained by the synthetic method and liquid density was deduced from measurement of the cell volume. Correlation of experimental results was carried out without considering chemical equilibrium of NO2/N2O4 system. (Liquid + vapour) equilibrium was found to be accurately modelled using the Peng–Robinson equation of state with classical quadratic mixing rules and with a binary interaction coefficient kij equal to zero. Nevertheless, modelling of liquid density values was unsatisfactory with this approach.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at : http://www.sciencedirect.com/science/article/pii/S0021961411002515
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Ecole des Mines d'Albi-Carmaux - EMAC
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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Deposited By: Audrey LEFEVRE
Deposited On:06 Jul 2012 08:04

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