Table 13.10 gives values of parameters for the Wilson equation for the acetone(1)/methanol(2) system. Estimate values of ln γ^∞₁ and ln γ^∞₂ at 50°C. Compare with the values suggested by Fig. 13.4(b). Repeat the exercise with the NRTL equation.

Table 13.10

Fig. 13.4(b)

Transcribed Image Text:

Table 13.10: Parameter Values for the Wilson and NRTL Equations Parameters a12, a21, b12, and ba1 have units of cal-mol-!, and Vị and V2 have units of cm mol-!. Wilson Equation NRTL Equation b12 VI System V2 a12 b21 a 74.05 18.07 Acetone(1) 291.27 1448.01 631.05 1197.41 0.5343 Water(2) 469.55 -253.88 Methanol(1) Water(2) 40.73 107.38 845.21 0.2994 18.07 75.14 775.48 1351.90 1-Propanol(1) Water(2) 500.40 1636.57 0.5081 18.07 Water(1) 18.07 1696.98 -219.39 715.96 548.90 0.2920 1,4-Dioxane(2) 85.71 Methanol(1) 40.73 504.31 196.75 343.70 314.59 0.2981 Acetonitrile(2) 66.30 Acetone(1) 74.05 -161.88 583.11 184.70 222.64 0.3084 Methanol(2) Methyl acetate(1) Methanol(2) 40.73 79.84 -31.19 813.18 381.46 346.54 0.2965 40.73 Methanol(1) 40.73 1734.42 183.04 730.09 1175.41 0.4743 Benzene(2) 89.41 210.52 Ethanol(1) Toluene(2) 58.68 1556.45 713.57 1147.86 0.5292 106.85