Good Reporting Practice for Thermophysical and Thermochemical Property Measurements

What does the NRTL model look like? Determination of boundaries for different fluid phase equilibrium regions

“…In this context, as has been pointed out previously [23][24][25] , the correlation of the experimenta l equilibrium data to obtain the corresponding parameters of any model to reproduce that phase equilibria is a nontrivial issue, and it is not exempt from mathematical problems associated with the high nonlinearly and non-convexity of the equations used. All these problems generate strong convergence difficulties, dependence on the starting strategy used, and the presence of local optima.…”