Energetic Interpretation of Distillation Based on Non-Equilibrium Thermodynamics

Abstract

Distillation is dealt with as a steady state system of the first degree. The energetic aim in distillation is that the entropy produced by the heat transport be utilized as completely as possible by the entropy consumption of the component separation. Expression are given for the entropy production of the heat transport emerging at distillation in both the reversible and the real cases. In conclusion, the thermodynamic interpretation of the driving force, efficiency and dynamic behaviour of distillation is indicated.