Wilson equation and activity coefficients

by Trent Guidry27. March 2010 08:20

The Wilson equation was published by Grant M. Wilson as “Vapor-Liquid Equilibrium. XI. A New Expresssion for the Excess Free Energy of Mixing” in the Journal of the American Chemical Society 86:127-130, 1964.

Wilson equation and excess Gibbs free energy

Wilson Equation Gibbs Free Energy Mixture

Wilson Lambda

Binary parameters: λij and λji

 Activity coefficients

Wilson Activity Coefficients Mixture

Binary reduced form

Wilson Equation Gibbs Free Energy Binary

Wilson Activity Coefficient Binary 1

Wilson Activity Coefficient Binary 2