B Activity Coefficients

A,B K-value or temperature dependence parameters a,b Activity coefficient composition dependence parameters C,D Vapor enthalpy temperature dependence parameters E,F Liquid enthalpy temperature dependence parameters F Total feed molar flow rate... 

Figure 1.13 (a) Txy diagram for methanol/water. (b) Activity coefficients for methanol/water. (c) Activity coefficient plot for methanol/water. 

Figure 10-3. Plots of the solubility data for CaS04 in CaCl2 solutions using (a) activity coefficients of 1 (b) activity coefficient values for strong electrolytes, (c) and subtracting molecular CaS04 as 0.007 M, (d) and subtracting molecular CaS04 as 0.0047 M. Note that the scale for (d) is at the right, displaced for clarity.

Figure 4.1.3. Minimum-boiling azeotrope, isopropyl ether-isopropyl alcohol system (a) partial and total pressures at 70 °C (b) activity coefficients (c) vapor-liquid equilibria (d) phase diagram at 1 atm pressure. (After Hougen et al. (1959).)...

FIGURE 8.9 (a) Partial and total pressure of acetone-chloroform at 60°C. (b) Activity coefficients for acetone and chloroform at 1.00 atm. (c) Vapor-liquid equilibrium diagram for acetone-chloroform solutions at 1.00 atm. (d) Vapor-liquid equilibrium phase diagram for acetone-chloroform at 1.00 atm. 

Fig. 2. Activity coefficients in a LiBr solution at 25° C. Lines are modelled with MSA-NRTL symbols are experimental data from Hamer and Wu. (a) MIAC of LiBr, and (b) activity coefficients of water in an aqueous LiBr solution.

Fig. 9. Activity coefficients in halide-acid solutions at 25°C. Lines are modelled with ePC-SAFT, symbols are experimental data HF — circles and dashed-dotted lines HCl — squares and thin lines HBr — triangles and full lines HI — stars and dashed lines, (a) Mean ionic activity coefficients of the hydrogen halides. Experimental data from Lobo et (b) Activity coefficients of water. Experimental data from Lobo ct (From Ref 21, Elsevier, reprinted with permission.)...

BEN 10] Ben Gaida L., Dussap C.G., Gros J.B., Activity coefficients of concentrated strong and weak electrolytes by a hydration equilibrium and group contribution model . Fluid Phase Equilibria, vol. 289, no. 1, pp. 40-48, 2010. 

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