Energy-saving nonequilibrium thermodynamic analysis for distillation - Mathematical model development

A general thermodynamic model was presented by analyzing distillation proce sses. The mass transfer in these processes was assumed in an irreversible t hermodynamic state during the model development. The simulated results show ed that this model could be applied not only to analyzing entropy generatio n in distillation processes, but also to compare the effects of the tray pa rameters on the entropy generation in a column, with which energy-saving di stillation tower can thus be designed and the distillation operation can be controlled in an optimal mode.