Optimization of bio-oil steam reforming process by thermodynamic analysis |
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| Affiliation: | 1. Chemical Institute, Universidade Federal de Goiás - UFG, Campus Samambaia, CP 131, 74001-970, Goiânia, GO, Brazil;2. Department of Chemical Engineering, Universidade Tecnológica Federal Do Paraná - UTFPR, Av. Dos Pioneiros 3131, 86036-370, Londrina, PR, Brazil;1. Key Laboratory of Integrated Exploitation of Baiyun Obo Multi-Metal Resources, Inner Mongolia University of Science and Technology, Baotou, 014010, China;2. Department of Functional Material Research, Central Iron and Steel Research Institute, Beijing, 100081, China;3. Weishan Cisri-Rare Earth Materials Co., Ltd., Jining, 277600, China;1. División de Ciencias Ambientales, Instituto Potosino de Investigación Científica y Tecnológica (IPICYT), Camino a La Presa San José 2055, Col. Lomas 4a. Sección, San Luis Potosí, SLP, 78216, Mexico;2. Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Manual Nava 6, San Luis Potosí, 78210, Mexico;3. Laboratory for Research on Advanced Processes for Water Treatment, Engineering Institute, Campus Juriquilla, Universidad Nacional Autónoma de México (UNAM), Blvd. Juriquilla 3001, Querétaro, 76230, Mexico;1. School of Materials Science and Engineering, University of Jinan, Jinan 250022, China;2. Shaanxi Key Laboratory of Chemical Reaction Engineering, Department of Chemistry and Chemical Engineering, Yan′an University, China;3. College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China;4. School of Energy and Power Engineering, Jiangsu University, Jiangsu 212013, China;1. Department of Chemical and Environmental Engineering, Technical School of Engineering, University of Seville, Camino de los Descubrimientos s/n, 41092, Sevilla, Spain;2. Department of Conversion Technologies and of Biobased Products, Institute of Agricultural Engineering, University of Hohenheim, Garbenstrasse 9, 70599, Stuttgart, Germany |
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| Abstract: | A straightforward thermodynamic analysis of bio-oil steam reforming was carried out in the context of hydrogen and syngas production, employing Gibbs energy minimization method to determine equilibrium composition and global reaction heat. The bio-oil model compound was a mixture of acetic acid, phenol, and acetone. The effects of process variables, such as temperature and inlet S/C molar ratio, were investigated over a wide range of conditions. Thermodynamic analysis was performed using the software Aspen Plus v.11. It was identified the best operational conditions that could maximize syngas and further hydrogen production considering energy efficiency. The optimum production of hydrogen is 2.28 mol per carbon mole at S/C = 10 and 850 K, and syngas is 2.37 mol per carbon mole at S/C = 10 and 900 K. It has been demonstrated that the equilibrium calculations can be used to simulate these steam reforming reactions, given the catalyst's behavior. |
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| Keywords: | Bio-oil Steam reforming Gibbs minimization Optimization Hydrogen |
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