Estimation of parameters of Nitta-Chao model for linear monoether + 1-alkanol mixtures

We have estimated the interaction parameters for ether and hydroxyl groups using an extensive experimental database of vapour-liquid equilibria, activity coefficients at infinite dilution, enthalpies of mixing and volumes of mixing of linear monoether + 1-alkanol binary systems. The theoretical resu...

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Bibliographic Details
Published in:Fluid phase equilibria 1997, Vol.133 (1), p.57-72
Main Authors: Legido, J.L., Vijande, J., García, J., Iglesias, T.P., López, E.R., Fernández, J.
Format: Article
Language:English
Subjects:
Chemical thermodynamics
Chemistry
Equations of state
Exact sciences and technology
Excess functions
General and physical chemistry
Group contributions
Mixtures
Theory
Thermodynamic properties
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Summary:We have estimated the interaction parameters for ether and hydroxyl groups using an extensive experimental database of vapour-liquid equilibria, activity coefficients at infinite dilution, enthalpies of mixing and volumes of mixing of linear monoether + 1-alkanol binary systems. The theoretical results obtained with the parameters proposed are significantly closer to the experimental values than those determined with the parameters of Eckart et al. In addition, the values of thermodynamic properties obtained by the Nitta-Chao model with both set of parameters have been compared with the predictions resulting from other models, such as the DISQUAC model and the UNIFAC model, in its original version and those of Dang and Tassios, Larsen et al. (UNIFAC-Lingby) and Gmehling et al. (UNIFAC-Dortmund).
ISSN:0378-3812
1879-0224
DOI:10.1016/S0378-3812(97)00013-7