Activity coefficients of the binary mixtures of o-cresol or p-cresol with C1–C4 aliphatic alcohols near ambient pressure |
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| Affiliation: | 1. Properties Group, Chemical Engineering Laboratory, Indian Institute of Chemical Technology, Hyderabad-500007, India;2. D.V.R. College of Engineering and Technology, Hyderabad-502283, India;3. Swami Ramanandteertha Institute of Science and Technology, Nalgonda-508004, India;1. School of Science, Harbin Institute of Technology, No. 92 West-Da Zhi Street, Harbin, 150001 China;2. School of Chemistry and Chemical Engineering, Harbin Normal University, No. 1 Normal University South Road, Harbin, 150001 China;3. School of Chemical Engineering and Technology, Harbin Institute of Technology, No. 92 West-Da Zhi Street, Harbin, 150001 China;1. Department of Applied Physics, University of Vigo, As Lagoas s/n, 32004 Ourense, Spain;2. Laboratoire de Fluides Complexes, Groupe Haute Pression, de la Université de Pau et des Pays de l’Adour, BP 1155, 64013 Pau, France;1. Department of Physical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic;2. Research Institute of Inorganic Chemistry, RENTECH-UniCRE, Chempark Litvínov, Záluží-Litvínov, 436 70, Czech Republic |
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| Abstract: | Bubble point temperatures near ambient pressure, for the binary mixtures, formed by o-cresol or p-cresol with – methanol, ethanol, n- and iso-propanols and n-, iso-, sec- and tert-butanols – covering the whole composition range, are measured using a Swietoslawski-type ebulliometer. The liquid phase composition–bubble point temperature measurements are found to be well represented by the Wilson model. Values of the optimum Wilson parameters as well as the computed values of vapor phase mole fractions and activity coefficients are tabulated. The results are discussed in terms of isomerization with reference to the selected set of compounds, constituting the mixtures and the stearic effects in the cresols. |
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