Table 9.

Interaction parameters obtained from NRTL and UNIQUAC models for water (1) + phenol (2) + DES (3) system at different temperatures.

T (K)	i − j	NRTL				UNIQUAC
		$b_{\mathit{ij}}^{}$(K)	$b_{\mathit{ji}}$(K)	${\alpha }_{\mathit{ij}}$	RMSD	$a_{\mathit{ij}}^{}$(K)	$a_{\mathit{ji}}$(K)	RMSD
293.2	1 − 2	1022.69	465.63	0.2	0.0027	199.22	–2655.13	0.0063
	1 − 3	2299.76	735.93	0.3		175.98	–1146.29
	2 − 3	–780.80	1129.03	0.3		306.63	–411.06
298.2	1 − 2	1008.16	416.85	0.3	0.0020	480.09	–1098.45	0.0058
	1 − 3	2339.33	677.67	0.2		178.22	–1106.37
	2 − 3		–757.61	1057.36	0.2		227.34	–214.64
308.2	1 − 2	1027.34	393.92	0.3	0.0014	527.04	–712.97	0.0045
	1 − 3	2322.88	642.03	0.3		181.39	–1101.86
	2 − 3	–821.307	1077.02	0.3		180.86	–170.61