Graphical exergy analysis of retrofitted distillation column
by Arief Budiman, Sutijan, Dyah Retno Sawitri
International Journal of Exergy (IJEX), Vol. 8, No. 4, 2011

Abstract: Thermodynamic analysis of a distillation column has important role for synthesising and developing energy-efficient distillation process. We have invented representation of this analysis to integrate characteristics of separation performance and exergy features of internal distillation column using Material-Utilisation Diagram (MUD). In this paper, we analyse separation performance and exergy loss phenomena for retrofitted distillation column, i.e., side heating–cooling and pump around in a distillation, on MUD. This MUD methodology displays Minimum Driving Force (MDF) for side heating-cooling and Close to Equilibrium Point (CEP) for pump-around system at a particular heat load.

Online publication date: Tue, 28-Jun-2011

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