Journal of Industrial and Engineering Chemistry, Vol.23, 299-306, March, 2015
Modeling of thermodynamic properties of an oxygenate + aromatic hydrocarbon: Excess molar enthalpy
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Excess molar enthalpy View the MathML source(HmE) have been measured at 303.15 K for 1-propanol + benzene or toluene or o- or m- or p -xylene mixtures using flow micro calorimeter. The View the MathML sourceHmE?versus?x1 plots are skewed toward y -axis showing maxima at x1?0.3x1?0.3. At (x1=0.5)(x1=0.5)View the MathML sourceHmE vary in the order: toluene < benzene < m-xylene < p-xylene ∼ o -xylene. The excess volume data have also been interpreted in terms of Graph-theoretical approach and Prigogine?Flory?Patterson theory. It has been observed that while PFP theory fails to predict the View the MathML sourceHmE values for these systems in the composition range x1<0.5x1<0.5, agreement with experimental values is reasonably good thereafter. The View the MathML sourceHmE values calculated by Graph theory compared well with the corresponding experimental values.
Keywords:Fuel oxygenate;Excess molar enthalpy;1-Propanol;Graph theoretical approach;Prigogine-Flory-Patterson theory
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