Steam gasification of biochars derived from pruned apple branch with various pyrolysis temperatures |
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| Affiliation: | 1. Graduate School of Science and Technology, Hirosaki University, 1-Bunkyocho, Hirosaki 036-8560, Japan;2. Energy Conversion Engineering Laboratory, Institute of Regional Innovation (IRI), Hirosaki University, 2-1-3 Matsubara, Aomori 030-0813, Japan;3. Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China;4. Industrial Research Institute, Aomori Prefectural Industrial Technology Research Center, 4-11-6 Second Tonyamachi, Aomori 030-0113, Japan;1. Center of Excellence in Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand;2. Department of Chemical Engineering, Faculty of Engineering, King Mongkut''s University of Technology North Bangkok, Bangkok 10800, Thailand;3. Department of Chemical Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakhon Pathom 73000, Thailand;4. The Joint Graduate School of Energy and Environment, King Mongkut''s University of Technology Thonburi, Bangkok 10140, Thailand;5. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China;1. College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou, 310018, China;2. School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China;3. Electronics Business Unit, Ansys, Inc., Austin, TX 78746, USA;4. Taizhou Huangyan Architecture and Engineering Quality Supervision Station, Taizhou, 318020, China;1. Fuels and Energy Technology Institute, Curtin University, GPO Box U1987, Perth, WA 6845, Australia;2. Department of Chemical Engineering, University of Engineering and Technology, G.T. Road Lahore, Pakistan;1. Postgraduate Program in Engineering Processes and Technologies, University of Caxias do Sul, 95070-560 Caxias do Sul, RS, Brazil;2. Chemical Engineering Department, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil;3. Mining Engineering, Metallurgical and Materials Post-Graduate Program, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil |
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| Abstract: | In this study, the gas production behavior from the steam gasification of the biochar derived from the pruned apple brunch was investigated using a fixed-bed reactor. The optimal biochar obtained at the pyrolysis temperature of 550 °C was gasified under different operating conditions for the hydrogen rich gas production. The experimental results indicated that high reaction temperature and high water flow rate were both beneficial to the hydrogen gas yield, but excess steam had a negative impact contrarily. Besides, the small size particles (0.5–1.0 mm) showed better performance in the hydrogen gas production at the low water flow rates (0.05–0.20 g/min); while the large size particles (1.0–2.8 mm) showed better performance at the high water flow rates (0.25–0.30 g/min). The suitable operating conditions for the gasification of the biochar were determined as the reaction temperature of 850 °C, water flow rate of 0.25 g/min, and particle size of 1.0–2.8 mm. |
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| Keywords: | Biochar Pruned apple branch Steam gasification Fixed-bed reactor Hydrogen rich gas |
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