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- W2378623660 abstract "The isobaric vapor-liquid equilibrium (VLE) data at 100 kPa for 3 binary systems containing methanol-acetic acid,methanol-propionic acid and acetic acid-propionic acid and a ternary system containing methanol-acetic acid-propionic acid were determined with different liquid phase compositions by using a novel pump-ebulliometer. The vapor phase equilibrium compositions of 3 binary systems were calculated through T-p-x temperature,pressure and liquid-phase molar fraction based on the indirect method. The activity coefficients of 3 binary systems were correlated with the Wilson,NRTL,Margules and van Laar models through the least square method,and these model parameters in turn were used to calculate vapor phase molar fraction. The activity coefficients obtained were used to calculate the excess Gibbs function for the 3 binary systems,and no azeotropes exist among the components of all the systems. The VLE data of the ternary system were correlated based on Wilson model parameters of the 3 binary systems in order to build the thermodynamic model of VLE for the ternary system and obtain the vapor phase molar fraction and the calculated bubble points. The calculated bubble points with the model parameters of activity coefficients are in good agreement with the experimental data. The thermodynamic consistency of the experimental data for the 3 binary systems checked by area test method is satisfactory." @default.
- W2378623660 created "2016-06-24" @default.
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- W2378623660 date "2010-01-01" @default.
- W2378623660 modified "2023-09-26" @default.
- W2378623660 title "Vapor-liquid equilibrium of methanol-acetic acid-propionic acid multicomponent system" @default.
- W2378623660 hasPublicationYear "2010" @default.
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