Abstract

The solubilities of 2,5-furandicarboxylic acid (FDCA) in binary acetic acid + water, methanol + water, and ethanol + water solvent mixtures were measured by a static analytical method with the mass fraction of water in the solvent varying from 0 to 0.3 at atmospheric pressure. Furthermore, the molar enthalpy of fusion (ΔfusH = 55.131 kJ/mol) and fusion temperature (Tfus = 614.45 K) of FDCA were determined by differential scanning calorimetry. The non-random two liquid (NRTL) model and the measured parameters were used to correlate these solubility data, and the relevant parameters were regressed by the least-squares method. The NRTL model was found to provide a satisfactory representation of the experimental data.

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