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Journal of Petroleum Science and Technology، جلد ۱۴، شماره ۳، صفحات ۴۱-۴۹
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Energy Efficiency and Cost-effectiveness Analysis on Flare Gas Recovery Consumption Sources at Industrial Gas Processing Plant |
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| چکیده انگلیسی مقاله |
Flared gas recovery (FGR) plays a crucial role in controlling greenhouse-gas emissions and improving energy-efficiency in industrial gas plants. Every year, significant amounts of valuable gases are lost through flaring, leading to both environmental/economic consequences. Moreover, developing an effective and cost-efficient strategy for flare gas recovery remains a major challenge, requiring a careful balance between technical feasibility and financial viability. This study introduces a new approach to flare gas recovery by investigating two alternative utilization scenarios in a large-scale gas refinery. Furthermore, unlike conventional studies focusing primarily on economic feasibility, this research comprehensively integrates exergy analysis to evaluate energy and financial performance. This study analyzes all potential consumption sources of recovered flare gas and evaluates the feasibility and efficiency of two major effective scenarios. In the first scenario, recovered flare gases are compressed to 70 bar and injected into the gas sweetening unit, achieving an exergy-efficiency of over 69%. In the second scenario, recovered gases are redirected to existing compressors in the gas condensate stabilization unit, yielding a calculated exergy efficiency exceeding 78%. A detailed economic evaluation, considering both capital and operating expenditures, reveals that the overall flare gas recovery system has a return on investment of 17 months. Scenario one requires 24 months to break even, whereas scenario two achieves profitability in just 11 months. Ultimately, findings demonstrate that directing recovered flare gases to compressors of gas condensate stabilization unit provides most efficient and optimal utilization of these gases. Also, this research presents a viable solution for reducing emissions, minimizing waste, and maximizing both energy and financial resources in gas processing plants. |
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| کلیدواژه‌های انگلیسی مقاله |
Exergy analysis,Economic Evaluation,Flare Gas Recovery,Gas Refinery,Greenhouse Gas |
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| نویسندگان مقاله |
Mahdi Enayati |
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran
Sayed Mohsen Hosseini |
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran
Fahime Parvizian |
Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran
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| نشانی اینترنتی |
https://jpst.ripi.ir/article_1477_87b52c13b436303d2757ee122965f435.pdf |
| فایل مقاله |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
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