Catalyst deactivation and regeneration during CO2 reforming of bio-oil |
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| Affiliation: | 1. Key Laboratory of Coal Gasification and Energy Chemical Engineering of Ministry of Education, Research Center for Biomass Energy, East China University of Science and Technology, Shanghai, China;2. Guangzhou Institute of Energy Conversion, Chinese Academy of Science, Guangzhou, China;3. National Engineering Research Center for Non-Food Biorefinery, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China;4. Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, Jianghan University, Wuhan, China;1. College of Science, Northeast Agricultural University, Harbin, Heilongjiang, 150030 PR China;2. Department of Chemistry, College of Science, Northeast Forestry University, Harbin 150040, PR China;1. Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan;2. Department of Mathematics, Shaheed Benazir Bhutto University, Sheringal Dir Upper 18000, Pakistan;1. Laboratoire de Technologie des Matériaux, Faculté de Génie Mécanique et Génie des Procédés(USTHB), B.P.32, El-Alia, Algeria;2. Laboratory of Storage and Valorization of Renewable Energies Faculty of Chemistry (USTHB), B.P. 32, Alger, El-Alia Algeria;1. Clean Energy Research Lab (CERL), Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan;2. University of Education, Township, Lahore 54000, Pakistan;3. Sustainable Energy Technologies Center, King Saud University, Riyadh, Saudi Arabia;4. University of Okara, Okara, Pakistan |
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| Abstract: | Catalyst deactivation and regeneration during CO2 reforming of bio-oil were researched in this paper. The results of XRD, TG and SEM analyses showed that the catalyst deactivation was a combination of carbon deposition and sintering. There were amorphous carbon and filamentous carbon on the catalyst surface, but amorphous carbon was the main carbon product, which was the main reason for the catalyst deactivation. The activity and stability of steam regeneration catalyst is superior to that of CO2 and air regeneration catalyst, but steam regeneration process will consume much quantity of steam, which can be increased production cost. Air regeneration method is easy to sinter the center of catalyst. CO2 regeneration process not only produces useful gases (C + CO2 = 2CO), but also makes good use of greenhouse gases, which has an industrial application prospect. However, with the cycle of catalyst increasing, the activity and stability catalyst will decrease gradually during the CO2 reforming process. |
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| Keywords: | Bio-oil Hydrogen Deactivation Regeneration |
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