Abstract
The densities and excess volumes were determined at 298.15 K for the methyl acetate + 1-propanol, methyl acetate + 1-butanol, and ethyl acetate + 1-butanol mixtures. The vapor–liquid equilibria data at 0.3 MPa for these binary systems were obtained using a stainless steel equilibrium still. The activity coefficients were obtained from the experimental data using the Hayden and O’Connell method and the Yen and Woods equation. The binary systems in this study showed positive deviations from ideality. The experimental VLE data were verified with the point-to-point test of van Ness using the Barker routine and the Fredenslund criterion. The different versions of the UNIFAC and the ASOG group contribution models were applied.
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Abbreviations
- \(A_{k}\) :
- \(B_{ii}\) :
-
Second virial coefficient of pure component \((\mathrm{m}^{3}\cdot \mathrm{mol}^{-1})\)
- \(B_{ij}\) :
-
Cross second virial coefficient \((\mathrm{m}^{3}\cdot \mathrm{mol}^{-1})\)
- ē:
-
Average error (%)
- \(F\) :
-
Property \((F = y_{1};\,F = (y_{1}- x_{1});\,F = \gamma _{1};\,F = \gamma _{2};\,F = T)\)
- \(m\) :
-
Number of equation parameters
- \(n\) :
-
Number of experimental data
- \(n_\mathrm{D}\) :
-
Refractive index
- \(p_{i}^{0}\) :
-
Vapor pressure for pure substance (kPa)
- \(p\) :
-
Total pressure (kPa)
- \(R\) :
-
Universal gas constant \((\mathrm{J}\cdot \mathrm{mol}^{-1}\cdot \mathrm{K}^{-1})\)
- \(R_{T}\) :
- \(R_{V}\) :
- \(T\) :
-
Temperature (K)
- \(v^{\mathrm{E}}\) :
-
Excess molar volume \((\mathrm{m}^{3}\cdot \mathrm{mol}^{-1})\)
- \(v_{i}^{0}\) :
-
Liquid or gas molar volumes of the pure substances \((\mathrm{m}^{3}\cdot \mathrm{mol}^{-1})\)
- \(x\) :
-
Liquid phase mole fraction
- \(y\) :
-
Vapor phase mole fraction
- \(Z_{T}\) :
-
Ocón active fraction from the vapor or liquid phase
- \(\gamma \) :
-
Activity coefficient
- \(\delta \) :
-
Mean deviation
- \(\rho \) :
-
Density \((\mathrm{kg}\cdot \mathrm{m}^{-3})\)
- \(\sigma \) :
-
Standard deviation
- bp:
-
Normal boiling point
- cal:
-
Calculated
- exp:
-
Experimental
- \(i,\,j\) :
-
Chemical substances
- L:
-
Liquid phase
- 1:
-
Ester
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Susial, P., Estupiñan, E.J., Castillo, V.D. et al. Experimental Determination of Densities and Isobaric Vapor–Liquid Equilibria of Methyl Acetate and Ethyl Acetate with Alcohols (C3 and C4) at 0.3 MPa. Int J Thermophys 34, 1906–1917 (2013). https://doi.org/10.1007/s10765-013-1483-2
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DOI: https://doi.org/10.1007/s10765-013-1483-2