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NRTL equation and activity coefficients

by Trent Guidry 14. March 2010 09:43

The NRTL model was published by Henri Renon and John M. Prausnitz as “Local composition in thermodynamic excess functions for liquid mixtures” in AICHE Journal 14:135-44, 1968.

NRTL equation and NRTL excess Gibbs free energy

NRTL Equation Gibbs Free Energy Mixture

NTRL Tau Mixture

NRTL G Mixture

NRTL Alpha Mixture

Binary parameters: α_ij, (g_ji – g_ii), and (g_ij – g_jj).

NRTL activity coefficients

NRTL Activity Coefficients Mixture

Binary reduced form

NRTL Equation Gibbs Free Energy Binary

NRTL-Tau-12

NRTL-Tau-21

NRTL G Binary

NRTL Activity Coefficient Binary 1

NRTL Activity Coefficient Binary 2

Tags: NRTL, Activity Coefficients, Excess Gibbs Energy, Equilibrium, Process Modeling, Equations

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