Abstract
The excess enthalpies of the acetic acid–n-butanol–n-butyl acetate–water system in chemically equilibrium states were measured at 313.15 K and atmospheric pressure. Over the entire range of mole fractions, the system displayed positive excess enthalpy values. The heat of the esterification reaction was determined based on the mixture’s heat effects and was calculated to be –4.7±0.3 kJ/mol. The correlation of the data was carried out using NRTL model.
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ACKNOWLEDGMENTS
The authors acknowledge the Resource Centre of St. Petersburg University. The investigations were carried out using the equipment of the Resource Centre of Thermogravimetric and Calorimetric Research.
Funding
This work was financially supported by the Russian Science Foundation (grant no. 22-73-00159, https://rscf.ru/project/22-73-00159/). All calculations were carried out with financial support of the Russian Science Foundation (grant no. 21-13-00038).
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Golikova, A.D., Anufrikov, Y.A., Shasherina, A.Y. et al. Excess Enthalpies and Heat of Esterification Reaction in Acetic Acid–n-Butanol–n-Butyl Acetate–Water System at 313.15 K. Russ J Gen Chem 94 (Suppl 1), S177–S183 (2024). https://doi.org/10.1134/S1070363224140184
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DOI: https://doi.org/10.1134/S1070363224140184