Vapor-Liquid Equilibrium of Carbon Dioxide + Ethanol: Experimental Measurements with Acoustic Method and Thermodynamic Modeling

Table 5

Binary interaction parameters for CO₂(1) + ethanol(2) using PR with van der Waals quadratic and Mathias-Klotz-Prausnitz (MKP) mixing rules.

	PR quadratic		PR-MKP
T/K	k12	l12	k12	l12	λ 12
298.15	0.09536	0.0162	0.46672	0.38592	0.45273
313.15	0.08623	0.00715	0.44474	0.36118	0.45363
318.15	0.08373	0.00245	0.35660	0.27145	0.34872
323.15	0.08447	−0.00047	0.39544	0.31006	0.40172