Thermodynamic Mechanism of Self-Heat Recuperative Distillation | AIChE

Thermodynamic Mechanism of Self-Heat Recuperative Distillation

Type

Conference Presentation

Conference Type

AIChE Spring Meeting and Global Congress on Process Safety

Presentation Date

August 20, 2020

Duration

20 minutes

Skill Level

Intermediate

PDHs

0.40

In the last several years the authors have been developing the self-heat recuperation technology for the heating and cooling thermal processes in which the heat of an effluent stream is recuperated and recycled for feed stream heating by the adiabatic compression of gas and/or vapor. Applying this technology to the distillation system, a drastic energy saving of more than 80% can be achieved.

In this study, the thermodynamic mechanism of self-heat recuperative distillation system is clarified in terms of exergy analysis by using module expression process flowsheet and temperature-entropy diagram.

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