Modification of Ethyl Benzene Production Unit Based on Conceptual Design and Pinch Analysis
Publish place: Gas Processing، Vol: 7، Issue: 2
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_GPJU-7-2_005
تاریخ نمایه سازی: 23 مرداد 1400
Abstract:
Increasing energy cost, reducing the available volume of the conventional fuel and environmental constraints with respect to the emission of the pollutants lead to energy saving as one of the most crucial objectives in the petrochemical plants. Here, both conceptual design (for reducing the fixed cost) and pinch analysis (for reducing the energy cost) of the ethyl benzene production unit are run. An attempt is made to propose a process for ethyl benzene production with only one alkylation reactor instead of two (available in the conventional process). Comparison between the proposed process (integrated reactors) and the conventional process (with two alkylation reactors), reveals an۱۸GJ/h decrease in energy consumption and about ۱۵% in equipment cost. Pinch analysis is run for both the processes and it is found that the energy consumption by this proposed process and the conventional process are reduced from ۲۳۷.۵ GJ/h to ۱۴۳.۸۷ GJ/h and ۲۵۵.۵ GJ/h to ۱۹۰.۹ GJ/h, respectively. The results indicate that energy consumption in this proposed process is lower than the conventional process before and after pinch analysis.
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Authors
Kowsar Binande
Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
Elham Jabarzare
Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
Younes Ghalavand
Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
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