Numerical study and field synergy analysis on CO selective methanation packed-bed reactor |
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| Affiliation: | 1. Faculty of Food Science and Engineering, Lac Hong University, Lac Hong University, 10 Huynh Van Nghe Street, Buu Long Ward, Bien Hoa City, Dong Nai Province, Viet Nam;2. Department of Physics, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, Korea;3. Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, Korea;1. Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China;2. Department of New Energy and Materials, China University of Petroleum (Beijing), Beijing, 102249, China;3. CNOOC EnerTech-Drilling & Production Co. Shenzhen Branch, Shenzhen, 518055, China;4. Department of New Energy Vehicle Technology, Shenzhen Polytechnic, Shenzhen, 518055, China;1. School of Chemical Engineering, Chonnam National University, 61186, Gwangju, Republic of Korea;2. Department of Environmental and Energy Engineering, Yonsei University, 1 Yonseidae-gil, Wonju, Gangwon, 26493, Republic of Korea;1. Research Centre for Sustainable Technologies, Faculty of Engineering, Computing and Science, Swinburne University of Technology, Jalan Simpang Tiga, 93350 Kuching, Sarawak, Malaysia;2. Department of Chemical and Biological Engineering, Monash University, Melbourne, VIC 3800, Australia;3. Integrated Engineering, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, 1732 Deogyeong-daero, Giheung-gu, Yongin-Si, Gyeonggi-do 17104, Republic of Korea;4. Department of Computer Science and Systems Technology, University of Pannonia, 8200, Veszprém, Egyetem u. 10, Hungary;5. Széchenyi István University, 9026 Győr, Egyetem tér 1, Hungary |
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| Abstract: | Carbon monoxide selective methanation (CO-SMET) is one of the most efficient technologies for hydrogen purification and CO deep removal. This paper applies the field synergy principle for a deep understanding on the chemically reactive flow in a CO-SMET tubular reactor. The variation of CO conversion rate under different operating conditions is interpreted, at the first time, as relevant to the variation of the synergy angle between temperature and gas concentration fields. Sensitive analyses of the bed pressure, CO/CO2 ratio, heat exchange modes, etc., are studied to obtain the profile of field synergy angle in the inlet gas temperature range of 373 K – 873 K. It is found that the region with synergy angles between 0° and 70° enhances the heat transfer between mass transfer and contributes the main output of CO conversion. This work provides a fundamental basis on the future optimal design of CO–SMET reactors. |
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| Keywords: | Field synergy CO methanation Hydrogen purification Numerical simulation |
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