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Eyvazi-Abhari, Nargess, Ahmadi, Samira, Rahbari, Sayna, Esperi, Melika, Ezati Kamkar, Fateme, Asvadi, Hanieh. (1403). Innovative heat integration using bottom flashing method: energy, exergy, economic, and environmental evaluations of natural gas sweetening process. نشریه علمی دانشگاه سیستان و بلوچستان, (), -. doi: 10.22111/cpd.2025.50477.1045
Nargess Eyvazi-Abhari; Samira Ahmadi; Sayna Rahbari; Melika Esperi; Fateme Ezati Kamkar; Hanieh Asvadi. "Innovative heat integration using bottom flashing method: energy, exergy, economic, and environmental evaluations of natural gas sweetening process". نشریه علمی دانشگاه سیستان و بلوچستان, , , 1403, -. doi: 10.22111/cpd.2025.50477.1045
Eyvazi-Abhari, Nargess, Ahmadi, Samira, Rahbari, Sayna, Esperi, Melika, Ezati Kamkar, Fateme, Asvadi, Hanieh. (1403). 'Innovative heat integration using bottom flashing method: energy, exergy, economic, and environmental evaluations of natural gas sweetening process', نشریه علمی دانشگاه سیستان و بلوچستان, (), pp. -. doi: 10.22111/cpd.2025.50477.1045
Eyvazi-Abhari, Nargess, Ahmadi, Samira, Rahbari, Sayna, Esperi, Melika, Ezati Kamkar, Fateme, Asvadi, Hanieh. Innovative heat integration using bottom flashing method: energy, exergy, economic, and environmental evaluations of natural gas sweetening process. نشریه علمی دانشگاه سیستان و بلوچستان, 1403; (): -. doi: 10.22111/cpd.2025.50477.1045

Innovative heat integration using bottom flashing method: energy, exergy, economic, and environmental evaluations of natural gas sweetening process

Chemical Process Design
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 18 اسفند 1403
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22111/cpd.2025.50477.1045
نویسندگان
Nargess Eyvazi-Abhari* 1؛ Samira Ahmadi1؛ Sayna Rahbari2؛ Melika Esperi3؛ Fateme Ezati Kamkar2؛ Hanieh Asvadi4
1School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran
2School of Chemical Engineering, Amirkabir University of Technology, Tehran, Iran
3School of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
4School of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran
چکیده
The process of sour gas sweetening by amine has found extensive applications in the chemical industries. This process is typically associated with significant CO2 emissions and energy consumption due to the use of absorption and distillation columns. In this regard, the heat integration of the process is essential to reduce the costs and environmental consequences. A heat exchanger is used in most gas refineries between the two columns which can decrease the consumption utility. The energy consumption of the process is still high due to the presence of a reboiler and a condenser in the solvent recovery column. In this research, vapor recompression (VRC) and bottom flashing (BF) were employed for heat integration. To compare the proposed methods with the conventional approaches, four different procedures were accurately simulated and their energy consumption, total annual cost (TAC), exergy efficiency, exergy loss, and CO2 emissions were compared. The results indicated that BF heat integration outperformed the conventional methods by significantly reducing energy consumption, TAC, exergy loss, and CO2 emissions, while enhancing exergy efficiency, primarily due to the reduction of the need for hot and cold utilities in the recovery column.
کلیدواژه‌ها
Bottom flashing؛ CO2 emission؛ Energy/exergy analysis؛ Heat integration؛ Sour gas sweetening؛ Vapor recompression
آمار
تعداد مشاهده مقاله: 17


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