Gas solubility data of carbon dioxide (CO 2 ) in water (H 2 O) and aqueous sodium or potassium chloride (NaCl, KCl) solutions were measured by means of the static synthetic method in a temperature range from 313 to 393 K and pressures up to 10 MPa. The experimental data were compared to the results of other authors and to calculated values using an equation of state (EoS) approach. The calculations were enabled by the combination of the PSRK group contribution EoS with the LIFAC method for the prediction of vapor-liquid-phase equilibria containing strong electrolytes. The required interaction parameters were fitted to experimental data from this work and from the literature.

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The PvT behavior was determined for the binary systems carbon dioxide + 1-propanol and carbon dioxide + 2-propanol in the homogeneous state. The measurements were performed for different compositions at temperatures ranging from 313 to 363 K and pressures up to 25 MPa using a vibrating tube densimeter. The accuracy of the density determinations was better than ±0.05%, and the densities presented in this work agree well with data reported in the literature. The excess volumes were calculated from the experimental PvT data.