Exergy analysis of hydrogen production from steam gasification of biomass: A review |
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| Affiliation: | 1. INEGI/Faculty of Engineering, University of Porto, Porto, Portugal;2. C3i – Interdisciplinary Center for Research and Innovation, Polytechnic Institute of Portalegre, Portalegre, Portugal;3. University of Trás-os-Montes and Alto Douro, Vila Real, Portugal;4. MEAM Department, University of Pennsylvania, Philadelphia, PA, USA;1. University of Santander -UDES, Faculty of Engineering, Lagos del Cacique University Campus, Calle 70 N° 55-210, Bucaramanga, Santander, Colombia;2. University of the East - UO. Av. Patricio Lumumba s/n Altos de Quintero, Santiago de Cuba, Cuba;3. Excellence Group in Thermal Power and Distributed Generation - NEST, Institute of Mechanical Engineering, Federal University of Itajubá, Av. BPS 1303, Itajubá, MG, CEP: 37500-903, Brazil;1. Faculty of Engineering, Department of Mechanical Engineering, Hitit University, Cevre Yolu Bulvarı No: 8, 19030, Corum, Turkey;2. Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, Ontario, L1H 7K4, Canada;1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Beijing 100085, China;2. Key Laboratory of Photochemical Conversion and Optoelectronic Material, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Beijing 100190, China |
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| Abstract: | Exergy analysis of hydrogen production from steam gasification of biomass was reviewed in this study. The effects of the main parameters (biomass characteristics, particle size, gasification temperature, steam/biomass ratio, steam flow rate, reaction catalyst, and residence time) on the exergy efficiency were presented and discussed. The results show that the exergy efficiency of hydrogen production from steam gasification of biomass is mainly determined by the H2 yield and the chemical exergy of biomass. Increases in gasification temperatures improve the exergy efficiency whereas increases in particle sizes generally decrease the exergy efficiency. Generally, both steam/biomass ratio and steam flow rate initially increases and finally decreases the exergy efficiency. A reaction catalyst may have positive, negative or negligible effect on the exergy efficiency, whereas residence time generally has slight effect on the exergy efficiency. |
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| Keywords: | Hydrogen production Biomass Steam gasification Exergy analysis |
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