Table 4.

Experimental tie-line mass fractions (w) for water (1) + phenol (2) + DES (3) along with distribution coefficient of water (D₁), of phenol (D₂) and separation factor of phenol (S) at different temperatures and under atmospheric pressure 81.5 kPa^a.

Aqueous phase			Organic phase			D1	D2	S
w11	w21	w31	w13	w23	w33
T = 293.2 K
0.9932	0.0042	0.0026	0.0035	0.0406	0.9559	0.0035	9.7787	2770.17
0.9885	0.0090	0.0025	0.0038	0.0765	0.9197	0.0039	8.4983	2205.24
0.9858	0.0118	0.0024	0.0040	0.0961	0.8999	0.0041	8.1368	1989.05
0.9814	0.0164	0.0022	0.0043	0.1262	0.8695	0.0044	7.6931	1745.39
0.9785	0.0194	0.0021	0.0046	0.1462	0.8492	0.0047	7.5361	1618.77
0.9755	0.0225	0.0020	0.0048	0.1684	0.8268	0.0049	7.4844	1528.61
0.9726	0.0255	0.0019	0.0050	0.1897	0.8053	0.0052	7.4392	1437.83
0.9701	0.0281	0.0018	0.0052	0.2084	0.7864	0.0053	7.4164	1392.21
T = 298.2 K
0.9928	0.0043	0.0029	0.0042	0.0395	0.9563	0.0042	9.2045	2198.14
0.9880	0.0093	0.0027	0.0045	0.0741	0.9214	0.0046	8.0045	1744.67
0.9850	0.0124	0.0026	0.0048	0.0943	0.9009	0.0049	7.6091	1547.12
0.9807	0.0168	0.0024	0.0052	0.1248	0.8700	0.0053	7.4154	1407.73
0.9770	0.0208	0.0023	0.0054	0.1527	0.8419	0.0056	7.3573	1321.84
0.9742	0.0236	0.0022	0.0057	0.1729	0.8214	0.0059	7.3181	1246.45
0.9714	0.0265	0.0021	0.0060	0.1931	0.8009	0.0061	7.2863	1188.31
0.9681	0.0299	0.0020	0.0062	0.2162	0.7776	0.0064	7.2304	1125.02
T = 308.2 K
0.9928	0.0043	0.0029	0.0053	0.0365	0.9583	0.0053	8.8729	1676.23
0.9880	0.0093	0.0027	0.0056	0.0670	0.9274	0.0057	7.8353	1379.55
0.9850	0.0124	0.0026	0.0060	0.0964	0.8977	0.0061	7.2643	1197.67
0.9807	0.0168	0.0024	0.0063	0.1217	0.8699	0.0064	7.0973	1104.71
0.9770	0.0208	0.0023	0.0066	0.1486	0.8480	0.0067	6.9739	1037.36
0.9742	0.0236	0.0022	0.0068	0.1674	0.8241	0.0070	6.9513	988.25
0.9714	0.0265	0.0021	0.0071	0.1931	0.7997	0.0074	6.9065	938.47
0.9681	0.0299	0.0020	0.0074	0.2157	0.7797	0.0076	6.8321	895.76

^aStandard uncertainties are: u(p) = 0.3 kPa, u(T) = 0.1 K, u(n_d) = 0.0007, and u(w) = 0.0002 except u(w₃₃) = u(w₁₁) = 0.0003.