Life Cycle Assessment of a Direct Air Capture with Fischer-Tropsch System for Diesel Production
محل انتشار: بیست و نهمین همایش سالانه بین المللی انجمن مهندسان مکانیک ایران و هشتمین همایش صنعت نیروگاه های حرارتی
سال انتشار: 1400
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 306
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شناسه ملی سند علمی:
ISME29_352
تاریخ نمایه سازی: 13 تیر 1400
چکیده مقاله:
As the transport sector is the largest CO۲ emitter in Iran, decarbonizing the fuel used in this sector can cut the emissions significantly. In this paper, a direct air capture system (DAC) coupled to a Fischer-Tropsch Synthesis (FTS) system is proposed to convert ambient CO۲ into fuels. A life cycle assessment is conducted to evaluate the global warming impacts of the proposed system. The results indicate that about ۶.۹۱g CO۲ is emitted per ۱g CO۲ captured; meaning, it is not environmentally friendly yet. However, Since the most important factor in determining the carbon neutrality of this system is the emission factor of the grid, we analyzed the carbon intensity (CI) of the grid and found out that for this system to be environmentally friendly, the CI must be one-tenth of its current figure. This suggests that before implementing this technology, focus should be on decarbonizing the electricity grid and lowering its CI which is heavily reliant on fossil fuels
کلیدواژه ها:
نویسندگان
Shayan Asmari
Sustainable Energy Research Group (SERG), School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran
Samane Ghandehariun
Sustainable Energy Research Group (SERG), School of Mechanical Engineering, Iran University of Science and Technology, Tehran, Iran