Modelling of the ethanol steam reforming over Rh-Pd/CeO2 catalytic wall reactors |
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| Affiliation: | 1. Institute of Energy Technologies, Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019, Barcelona, Spain;2. Department of Fluid Mechanics, Universitat Politècnica de Catalunya, EEBE, Eduard Maristany 10-14, 08019, Barcelona, Spain;1. Institute of Catalysis, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria;2. Instituto de Ciencias Aplicadas y Tecnología, Universidad Nacional Autónoma de México, 04510 México City, Mexico;3. Institute of Physical Chemistry, PAS, Kasprzaka 44/52, 01-224 Warsaw, Poland;1. National Research and Development Institute for Cryogenics and Isotopic Technologies ICSI, Rm. Valcea, Romania;2. Romanian Association for Hydrogen Energy, Rm. Valcea, Romania;1. Center of Excellence on 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, Collaboratorative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China;1. USTHB- Faculty of Mechanical and Process Engineering, LTPMP, BP 32 El Alia 16111Bab Ezzouar Algiers, Algeria;2. Institut IRTES-M3M, EA 7274, UTBM, site de Sévenans, 90010 Belfort cedex, France;1. INSA Centre Val de Loire, University Orléans, PRISME, EA 4229, F-18020 Bourges, France;2. Institut Interdisciplinaire Carnot de Bourogne, UMR 6303 CNRS, Université Bourgogne Franche Comté (UBFC), UTBM, Site de Sévenans, 90010 Belfort Cedex, France;1. Institut de Robòtica i Informàtica Industrial (CSIC – UPC), Universitat Politècnica de Catalunya, Llorens i Artigas 4-6, 08028 Barcelona, Spain;2. Institut de Tècniques Energètiques and Center for Research in Nanoengineering, Universitat Politècnica de Catalunya, EEBE, Barcelona, Spain |
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| Abstract: | Existing literature data have been used to model the steam reforming of ethanol on catalytic honeycombs coated with Rh-Pd/CeO2, which have shown an excellent performance and robustness for the production of hydrogen under realistic conditions. In this article, a fully 3D non-isothermal model is presented, where the reactions of ethanol decomposition, water gas shift, and methane steam reforming have been modelled under different operational pressures (1–10 bar) and temperatures (500–1200 K) at a steam to carbon ratio of S/C = 3 and a space time of W/F between 2·10−3 and 3 kg h Lliq−1. According to the modelling results, a maximum hydrogen yield of 80% is achieved at a working temperature of 1150 K and a pressure of 4 bar at S/C = 3. |
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| Keywords: | Hydrogen CFD model Ethanol steam reforming Catalytic wall reactor Ceria-based catalyst Structured catalyst |
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