A novel catalytic process for cellulose gasification to synthesis gas |
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| Affiliation: | 1. School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai, China;2. National Engineering Research Center for Non-Food Biorefinery, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China;1. Chemical Engineering, Institute for Micromanufacturing, Louisiana Tech University, 911 Hergot Avenue, Ruston, LA, 71272, USA;2. Key Laboratory for Green Chemical Technology of Ministry of Education. Collaborative Innovation Center of Chemical Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;1. School of Environment, Harbin Institute of Technology, Harbin 150090, PR China;2. School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen 518055, PR China;3. Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen City, Shenzhen 518055, PR China;1. College of Environmental Science and Engineering, Taiyuan University of Technology, Jinzhong, 030600, Shanxi, PR China;2. Department of Environmental and Safety Engineering, Taiyuan Institute of Technology, Taiyuan, 030018, Shanxi, PR China;3. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan University of Technology, Taiyuan, 030024, Shanxi, PR China;1. National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), School of Chemical Engineering, Fuzhou University, Gongye Road No.523, Fuzhou 350002, Fujian, PR China;2. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07, Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan |
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| Abstract: | The catalytic gasification of cellulose to synthesis gas has been studied under mild conditions in a laboratory scale batch-feeding and fluidized bed reactor using air as a gasifying agent and Ar as a cellulose carrier from the feeder to catalyst bed under atmospheric pressure. Various types of support materials and supported metal catalysts have been investigated in this process. The flow conditions were 60 and 50 cm3 (STP)/min of air and Ar, 2 cm height of the fluidized bed and 0.7 s residence time of volatiles. From this investigation CeO2 has been found as the best support and Rh/CeO2 has been found as an excellent catalyst in the cellulose gasification at 823 K, which resulted in 100% C-conversion to gas. The use of Rh/CeO2 catalyst in the secondary bed resulted in lower yield of CO and H2. |
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