Preparation of NiO / PC catalyst with plasma for cracking tar to produce flammable gas |
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| Affiliation: | 1. School of Geology and Environment, Xi''an University of Science and Technology, Xi''an, 710054, China;2. Key Laboratory of Coal Resources Exploration and Comprehensive Utilization, Ministry of Nature Resources, Xi''an, 710021, China;3. Shaanxi Coal Geological Laboratory Co, Ltd, Xi''an, 710054, China;4. China National Heavy Machinery Research Institute Co, Ltd, Xi''an, 710032, China;1. Center of Excellence in Process and Energy Systems Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand;2. Institue for Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), 76131, Karlsruhe, Germany;1. School of Chemistry and Chemical Engineering, Mianyang Normal University, Mianyang 621000, China;2. School of Chemical Engineering, Sichuan University, Chengdu 610065, China;1. Tianjin Key Laboratory of Applied Catalysis Science and Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300354, China;2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;3. Tianjin Engineering Research Center of Functional Fine Chemicals, Tianjin 300354, China;1. Chemistry Institute - IQ, UNESP, Prof. Francisco Degni, 55, Quitandinha, 14800-060, Araraquara, SP, Brazil;2. Bioenergy Research Institute - IPBEN, UNESP, Rua 10, 2527, Santana, 13500-230, Rio Claro, SP, Brazil;3. Center for Monitoring and Research of the Quality of Fuels, Biofuels, Crude Oil, and Derivatives, Chemistry Institute - CEMPEQC, UNESP, Prof. Francisco Degni 55, Quitandinha, 14800-060, Araraquara, SP, Brazil;4. University of Araraquara, R. Voluntários da Pátria, 1309, 14801-320, Araraquara, SP, Brazil;1. UR: EMIR (Etude des Milieux Ionisés et Réactifs), 15 Avenue Ibn Eljazzar IPEIM, Monastir, 5019, Tunisia;2. RAPSODEE (UMR CNRS 5302)IMT Mines-AlbiCampus Jarlard, 81013, Albi CT Cédex9, France |
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| Abstract: | To increase the use of lignite, the tar was pyrolyzed with pyrolysis coke (PC) to produce more combustible gases such as H2, CH4, and CO. NiO/PC catalyst with plasma was prepared, and the influence of PC and NiO/PC catalyst on flammable gas was investigated in a two-stage fixed reactor. The catalysts were characterized by SEM, BET, XPS and XRD to analyze the tar cracking mechanism. The results were: (1) PC was prepared at different heating rates, and when the heating rate reached 20 °C/min, the amount of flammable gas was 5.4 L. (2) NiO/PC catalyst was modified with plasma in three background gases withO2 being the best, mainly because of the increase of the oxygen functional groups. (3) PC was modified and calcined with plasma, and when the power reached 40 W, it produced the most combustible gas, and the volume could grow by 94.4%. |
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| Keywords: | Pyrolysis coke Plasma Tar Flammable gas Catalyst |
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