The group contribution method (GC) versus the critical point-based approach (CP): Predicting thermodynamic properties of weakly- and non-associated oxygenated compounds by GC-PPC-SAFT and CP-PC-SAFT

•The polar contribution has a negligibly small impact on predicting the high pressure data.•CP-PC-SAFT predicts the lower values of densities and higher values of sound velocities.•In the cases of the slightly polar compounds these predictions are more accurate.•Such compounds can be included in the...

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Veröffentlicht in:	The Journal of supercritical fluids 2016-04, Vol.110, p.11-21
Hauptverfasser:	Lubarsky, Helena, Polishuk, Ilya, NguyenHuynh, Dong
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressibility Constants Estimating High pressures Mathematical models Oxygenated Predictive modeling SAFT Sound velocity Thermal expansion Thermodynamic properties
Online-Zugang:	Volltext
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