Energy and Exergy analysis of extractive distillation process with heat integration for separation of maximum boiling azeotropic mixture
Publish place: Chemical Process Design، Vol: 2، Issue: 2
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_CPD-2-2_001
تاریخ نمایه سازی: 24 دی 1402
Abstract:
Separation of binary amalgamation of Acetone and Chloroform is not possible by ordinary distillation methods due to the existence of maximum boiling azeotrope. In this study, Pressure swing distillation (PSD) and Extractive distillation (ED) have been employed to separate this mixture. The trouble is the considerable energy consumption by distillation towers. In this article, feed splitting approach has been used for heat integration of the process. In addition, exergy analysis has been used in order to achieve a more precise evaluation and more appropriate comparison between the processes. The results have demonstrated that PSD is not a practical and effective approach to separate this mixture, since the azeotropic point does not change with the pressure fluctuations exerted in this process. Furthermore, according to the obtained results, ED process which is including feed splitting approach has abated the amount of hot utility, cold utility and exergy loss by ۱۹.۲۸%, ۱۹.۶۲% and ۶۵% respectively.
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Authors
Amir Abbas Behbood
School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
Shekoufe Mohebbi
School of Chemical Engineering, College of Engineering, Sharif university of Technology, Tehran, Iran
Melika Yekdaneh
School of Chemical Engineering, College of Engineering, Isfahan university of Technology, Isfahan, Iran
Mohammad Hossein Khodabande
School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran