High efficient production of hydrogen from crude bio-oil via an integrative process between gasification and current-enhanced catalytic steam reforming |
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Authors: | Tao Kan Jiaxing Xiong Xinglong Li Tongqi Ye Lixia Yuan Youshifumi Torimoto Mitsuo Yamamoto Quanxin Li |
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Affiliation: | 1. Department of Chemical Physics, Lab of Biomass Clean Energy, University of Science & Technology of China, Hefei, Anhui 230026, P.R. China;2. Oxy Japan Corporation, 7# Floor, Miya Building, 4-3-4, Kojimachi, Chiyoda-ku, Tokyo 102-0083, Japan;3. College of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, 153-8902, Japan |
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Abstract: | High efficient production of hydrogen from the crude bio-oil was performed in the gasification-reforming dual beds. A recently developed electrochemical catalytic reforming method was applied in the downstream reforming bed using NiCuZnAl catalyst. Production of hydrogen from the crude bio-oil through both the single gasification and integrative gasification-reforming processes was investigated. The maximum hydrogen yield of 81.4% with carbon conversion of 87.6% was obtained through the integrative process. Hydrogen is a major product (∼73 vol%) together with by-products of CO2 (∼26 vol%) as well as very low content of CO (<1%) and a trace amount of CH4 through the integrative route. In particular, the deactivation of the catalyst was significantly depressed by using the integrative gasification-reforming method, comparing to the direct reforming of the crude bio-oil. The mechanism and evaluation for the downstream electrochemical catalytic reforming were also discussed. The integrative process with higher hydrogen yield and carbon conversion, potentially, would be a useful route to produce hydrogen from the crude bio-oil. |
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Keywords: | Hydrogen Crude bio-oil Gasification Current Catalytic steam reforming |
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