Computation of Isobaric Vapor-Liquid Equilibrium Data for Binary and Ternary Mixtures of Methanol, Water, and Ethanoic Acid from 𝑇, 𝑝, 𝑥, and 𝐻^𝐸_𝑚 Measurements

Table 5

VLE data for the methanol (1) + water (2) + ethanoic acid (3) Ternary system at 101.325 kPa: liquid-phase mole fraction 𝑥₁, 𝑥₂, and 𝑥₃, experimental boiling point temperature 𝑇_exp, calculated bubble point temperature 𝑇_cal, vapor-phase mole fraction 𝑦₁, 𝑦₂, and 𝑦₃, activity coefficients 𝛾₁, 𝛾₂, and 𝛾₃ using NRTL equation correlation.

𝑥1	𝑥2	𝑥3	𝑇exp/K	𝑇cal/K	𝑦1	𝑦2	𝑦3	𝛾1	𝛾2	𝛾3
0.7919	0.2080	0.0001	341.08	340.94	0.9108	0.0870	0.0022	1.0152	1.5155	0.9163
0.7502	0.1967	0.0531	342.79	342.12	0.9024	0.0882	0.0094	1.0156	1.5068	0.9294
0.6923	0.1816	0.1261	344.60	343.90	0.8886	0.0872	0.0242	1.0147	1.4953	0.9444
0.6623	0.1841	0.1536	345.45	344.77	0.8783	0.0910	0.0307	1.0152	1.4838	0.9493
0.5917	0.1645	0.2438	348.36	347.27	0.8561	0.0895	0.0544	1.0114	1.4719	0.9632
0.4619	0.4554	0.0827	349.12	348.30	0.7566	0.2242	0.0191	1.1037	1.2749	0.9612
0.4122	0.3196	0.2682	350.38	352.17	0.7339	0.1929	0.0732	1.0461	1.3352	0.9808
0.5333	0.1483	0.3184	350.67	349.55	0.8338	0.0881	0.0781	1.0072	1.4623	0.9722
0.4263	0.4203	0.1534	351.53	350.19	0.7359	0.2254	0.0387	1.0874	1.2853	0.9763
0.4946	0.1375	0.3679	351.93	351.19	0.8167	0.0869	0.0964	1.0040	1.4558	0.9772
0.3166	0.4774	0.2060	352.84	354.29	0.6481	0.2893	0.0627	1.1178	1.2310	1.0116
0.3959	0.3903	0.2138	353.19	351.89	0.7162	0.2258	0.0580	1.0733	1.2939	0.9847
0.2537	0.5812	0.1651	354.90	355.93	0.5880	0.3565	0.0555	1.1972	1.1675	1.0536
0.2148	0.6454	0.1398	356.16	357.08	0.5479	0.4013	0.0508	1.2669	1.1308	1.0932
0.1750	0.4020	0.4230	363.36	363.66	0.4673	0.3513	0.1814	1.0664	1.2364	1.0246
0.0585	0.9055	0.0360	364.18	364.83	0.2965	0.6797	0.0238	1.9547	1.0150	1.5148
0.1563	0.3589	0.4848	365.42	365.67	0.4367	0.3420	0.2213	1.0459	1.2516	1.0186
0.0478	0.9228	0.0294	366.09	365.86	0.2627	0.7164	0.0209	2.0514	1.0104	1.5759
0.1413	0.3246	0.5341	366.99	367.35	0.4109	0.3321	0.2570	1.0318	1.2630	1.0145
0.0404	0.9348	0.0248	367.10	366.66	0.2359	0.7454	0.0187	2.1259	1.0077	1.6231
0.0350	0.9435	0.0215	367.41	367.30	0.2142	0.7689	0.0169	2.1843	1.0059	1.6602
0.1290	0.2963	0.5747	368.56	368.80	0.3888	0.3218	0.2895	1.0214	1.2720	1.0116
0.0241	0.9592	0.0167	368.82	368.78	0.1626	0.8230	0.0144	2.2986	1.0032	1.7357
0.0203	0.9657	0.0140	369.63	369.35	0.1425	0.8449	0.0126	2.3510	1.0023	1.7687
0.0175	0.9704	0.0121	370.14	369.79	0.1266	0.8622	0.0112	2.3906	1.0017	1.7938
0.0154	0.9740	0.0106	370.54	370.13	0.1141	0.8759	0.0100	2.4220	1.0013	1.8136
0.0884	0.2313	0.6803	371.87	373.49	0.3017	0.3004	0.3979	1.0004	1.2864	1.0068
0.0779	0.2038	0.7183	373.44	375.08	0.2771	0.2814	0.4415	0.9933	1.2933	1.0050
0.0690	0.1805	0.7505	375.20	376.50	0.2548	0.2629	0.4822	0.9878	1.2987	1.0037
0.0625	0.1635	0.7740	375.65	377.59	0.2376	0.2480	0.5144	0.9841	1.3022	1.0030
0.0413	0.1802	0.7785	379.37	379.33	0.1656	0.2871	0.5473	0.9859	1.2885	1.0044
0.0359	0.1567	0.8074	379.87	380.59	0.1486	0.2617	0.5897	0.9812	1.2942	1.0032
0.0314	0.1369	0.8317	381.03	381.69	0.1338	0.2380	0.6282	0.9775	1.2986	1.0023
0.0280	0.1222	0.8498	381.64	382.55	0.1220	0.2192	0.6588	0.9749	1.3016	1.0018
Deviations			𝑑𝑇=0.77