Browsing by Author "Gutierrez, Jorge E."

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    Measurement and modeling of high-pressure (vapor plus liquid) equilibria of (CO2 + alkanol) binary systems
    (2011) Bejarano, Arturo; Gutierrez, Jorge E.; Araus, Karina A.; de la Fuente, Juan C.
    Complementary isothermal (vapor + liquid) equilibria data are reported for the (CO2 + 3-methyl-2-butanol), (CO2 + 2-pentanol), and (CO2 + 3-pentanol) binary systems at temperatures of (313, 323, and 333) K, and at pressure range of (2 to 11) MPa. For all (CO2 + alcohol) systems, it was visually monitored that there was no liquid immiscibility at the temperatures and pressures studied. The experimental data were correlated with the Peng-Robinson equation of state using the quadratic mixing rules of van der Waals with two adjustable parameters. The calculated (vapor + liquid) equilibria compositions were found to be in good agreement with the experimental data with deviations for the mole fractions <8% and <2% for the liquid and vapor phase, respectively. (C) 2011 Elsevier Ltd. All rights reserved.