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Introducing a Novel Method for Heat Integration of Natural Gas Sweetening Process Based on Reducing TAC, Energy Consumption, CO2 Emission, and Exergy Loss | ||
| Chemical Process Design | ||
| مقاله 6، دوره 3، شماره 1، شهریور 2024، صفحه 75-86 اصل مقاله (1.49 M) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22111/cpd.2024.48837.1033 | ||
| نویسندگان | ||
| Mohammad Javad Zarkesh1؛ Shahab Taleghani* 2؛ Ehsan Fatehi3؛ Parisa sadat Fatemi4؛ Mahshid Moradi5؛ Mahsa Majidi6 | ||
| 1school of Chemical and Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran | ||
| 2School of Chemical engineering, Tarbiat Modares university, Tehran, Iran | ||
| 3School of Chemical Engineering, University of Tehran, Tehran, Iran | ||
| 4School of Chemical and Petroleum and Gas Engineering, Iran University of Science and Technology, Tehran, Iran | ||
| 5Department of Chemical Engineering,Amirkabir University of Technology,Tehran,Iran | ||
| 6School of Chemical Engineering, Tarbiat Modares University, Tehran, Iran | ||
| چکیده | ||
| The main problem is the high energy consumption in the gas sweetening process, especially in the distillation column, which makes it necessary to optimize the energy consumption of this process. A new method was used in this study for heat integration of natural gas sweetening process. For this purpose, the liquid and vapor streams leave the absorption column entered the upper and lower section of the stripper column, respectively. The feed to the stripper column was preheated by the bottom product the stripper column. Liquid and vapor streams reduce hot and cold utilities of the distillation column, and feed preheating reduces the heating duty of the reboiler. The recovered solvent was then precooled by sweet gas. According to the results, the proposed method reduced energy consumption of the basic process by 67%. Based on the results obtained from calculating the amount of CO2 emission, the amount of emission of this poisonous gas decreased by approximately 70%. Moreover, proposed process could reduce total annual cost (TAC) of the basic process in the maximum value of 66.76%. This reduction in TAC is due to the reduction of operating cost and capital cost by 66.77 and 66.66% respectively. Also, in comparison with the basic process, exergy loss of the novel process decreased by 66.5%. | ||
| کلیدواژهها | ||
| Natural gas sweetening؛ CO2 emission؛ Heat integration؛ Energy consumption reduction؛ TAC؛ Exergy loss | ||
| مراجع | ||
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