Directed regulation of pyridines components in the steam reforming of aqueous bio-oil to H2 production |
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| Affiliation: | 1. Centre for Logistics and Sustainability, Edinburgh Business School, Heriot-Watt University, Edinburgh, EH14 4AS, United Kingdom;2. School of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh, EH9 3FD, United Kingdom;1. Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos 149, bl. E, sl. 207, Rio de Janeiro, 21941909, Rio de Janeiro, Brazil;2. Universidade Federal Fluminense, Rua Passos da Patria 156, bl. D, Niteroi, 24210240, Rio de Janeiro, Brazil;1. Center for Computational Science & e-Systems, Japan Atomic Energy Agency, 2-4, Shirakata, Tokai-mura, Naka-gun, 319-1195, Ibaraki, Japan;2. Graduate School of Science and Technology, Sophia University, 7-1, Kioi-cho, Chiyoda-ku, 102-8554, Tokyo, Japan;3. Nissan Motor Co., Ltd, 560-2, Okatsukoku, Atsugi, 243-0192, Kanagawa, Japan;4. Nippon Steel Corporation, 20-1, Shintomi, Futtsu, 293-8511, Chiba, Japan;5. Faculty of Science and Technology, Sophia University, 7-1, Kioi-cho, Chiyoda-ku, 102-8554, Tokyo, Japan |
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| Abstract: | The steam reforming of aqueous bio-oil is a promising technology for green hydrogen production, yet one of the obstacles is still the cost of production. It was found that under certain conditions, the high-value pyridines components in aqueous bio-oil will be enriched after a reforming hydrogen production reaction, which may become an effective way to improve its economy. In this study, the effects of temperature (700°C–900 °C) and WHSV (10 h−1-30 h−1) on hydrogen production rate and pyridine enrichment rate were investigated. The results show that the highest hydrogen yield of 40.3% was obtained at the initial stage of the reaction at the optimum operating conditions of 850 °C and a WHSV of 15 h−1. Pyridine enrichment in the liquid product collected after the reaction can reach up to 300% at the same time. This study proposed a new route for the co-production of pyridines in the catalytic reforming process of aqueous bio-oil, which is beneficial to the complete quantitative utilization of biomass and improves the economics of bio-oil products. |
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| Keywords: | Aqueous bio-oil Reforming Hydrogen Pyridine enrichment |
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