Abstract
Measurements of d-pinitol solubility in supercritical CO2 in the temperature range (313 to 333) K and pressures ranging from 10 to 40 MPa are reported for the first time in this work. Two different thermodynamic models are applied to correlate the experimental d-pinitol solubilities: a cubic-type equation of state (the Soave−Redlich−Kong, SRK) and a model based on the group contribution approach (the Group Contribution Equation of State, GC-EoS). Both models demonstrate high capability to describe the solid−gas-phase equilibria of this system. In addition, values for the thermophysical properties, sublimation pressure, and solid molar volume of d-pinitol are also given.
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