Commercial process for mass production of synthetic natural gas through the adiabatic reactors: operational characteristics of a 50‐kW pilot‐plant,influence of steam,and CO2 |
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| Authors: | Suk‐Hwan Kang Jin‐Ho Kim Ki‐Jin Jung Young‐Don Yoo Kwang‐Jun Kim Dong‐Jun Koh Jae‐Hong Ryu |
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| Affiliation: | 1. Institute for Advances Engineering (IAE), Yongin‐si, Korea;2. POSCO Center, Gangnam‐gu, Seoul, Korea;3. Research Institute of Industrial Science and Technology (RIST), Pohang City, Kyungbuk, Korea;4. Institute for Advances Engineering (IAE), Yongin‐si, KoreaJae‐Hong Ryu, Basudev Swain: Both these authors have contributed equally |
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| Abstract: | In synthetic natural gas (SNG) reaction process, the water gas shift (WGS) reaction and methanation reaction take place simultaneously, and an insufficient supply of steam might deactivate the catalyst. In this study, the characteristics of the methanation reaction with a commercial catalyst and using a low H2]/CO] mole ratio in SNG synthesis are evaluated. The reaction characteristics at various possible process parameters are evaluated varying different process parameters such as the H2O]/CO] mole ratio, H2]/CO] mole ratio, flow of different % CO2, and reaction temperature. Temperature profiles on catalyst bed are monitored as a function of the H2O]/CO] mole ratio, H2]/CO] mole ratio, and flow of different % CO2. Through a lab‐scale optimization process, suitable optimum conditions are selected and in the same condition a 50‐kW pilot‐scale SNG production process through adiabatic reactors is carried out. The pilot scale SNG reaction is stable through overnight and the CO conversion efficiency and CH4 selectivity are 100% and 97.3%, respectively, while the maximum CH4 productivity is 0.654 m3/kgcat · h. Copyright © 2016 John Wiley & Sons, Ltd. |
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| Keywords: | synthetic natural gas (SNG) methanation syngas water gas shift (WGS) adiabatic reactor commercial production of SNG |
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