Measurement and Correlation for Solubilities of Succinic Acid and Glutaric Acid in ε-Caprolactone + Acetic Acid Mixtures and ε-Caprolactone + Cyclohexanone Mixtures
2018
By using the method of dynamic laser, the solubilities of succinic acid and glutaric acid in e-caprolactone + acetic acid mixtures and e-caprolactone + cyclohexanone mixtures were determined under atmospheric pressure. The experimental temperature ranged from 293.35 to 340.65 K, and the mass fraction of e-caprolactone in the solvent mixtures ranged from 0.0 to 1.0, respectively. It was found that with the increase of the temperature at constant concentration, the measured solubilities of succinic acid and glutaric acid in e-caprolactone + acetic acid mixtures and e-caprolactone + cyclohexanone mixtures would increase. Moreover, when the mass fraction of e-caprolactone in e-caprolactone + acetic acid mixtures increases at the same temperature, the measured solubilities of succinic acid and glutaric acid would decrease. However, it would increase as the mass fraction of e-caprolactone increases for the system of e-caprolactone + cyclohexanone at the same temperature. The experimental data were correlated by...
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