Ni supported on the CaO modified attapulgite as catalysts for hydrogen production from glycerol steam reforming |
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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. National Engineering Research Center for Non-Food Biorefinery, Guangxi Key Laboratory of Biorefinery, Guangxi Academy of Sciences, Nanning, China;3. Guangzhou Institute of Energy Conversion, Chinese Academy of Science, Guangzhou, China;4. Hubei Key Laboratory of Industrial Fume and Dust Pollution Control, Jianghan University, Wuhan, China;1. School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China;2. Shandong Taihe New Material Technology Co., Ltd. Jinan, 250022, PR China;3. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, PR China;4. Key Laboratory of Low Carbon Energy and Chemical Engineering, College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, PR China;1. School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China;2. Key Laboratory of Coal Science and Technology, Ministry of Education and Shanxi Province, Taiyuan University of Technology, Taiyuan, 030024, PR China;1. School of Material Science and Engineering, University of Jinan, Jinan, 250022, PR China;2. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, PR China;3. School of Chemical Science and Technology, Yunnan University, Kunming 650091, PR China;4. Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, 210044, Nanjing, PR China;1. School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, PR China;2. School of Earth Science and Environmental Engineering, Anhui University of Science and Technology, 232001, Huainan, PR China;1. School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, PR China;2. School of Earth Science and Environmental Engineering, Anhui University of Science and Technology, Huainan 232001, PR China |
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| Abstract: | The Ni catalyst supported on CaO-modified attapulgite (CaO-ATP) were synthesized by wet impregnation method at a constant Ni metal loading (10 wt%). The catalyst was tested by carrying out a glycerin steam reforming reaction under the following conditions: 400–800 °C, W/G is 3, GHSV is 1 h−1. Ni–CaO-ATP exhibited the highest hydrogen yield (85.30%) and glycerol conversion (93.71%) at 600 °C. The catalysts were characterized by N2 adsorption/desorption, BET, XRD, H2-TPR, TG and SEM. The results show that ATP has good resistance to carbon deposition. As an attapulgite modifier of Ni–CaO-ATP, CaO promotes the dispersion of the active component nickel species, which would promote the water gas shift reaction, leading to the improving of hydrogen yield. In addition, the addition of Ca would further enhance the inhibition of carbon deposition and prolong the life of the Ni–CaO-ATP catalyst. |
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| Keywords: | Hydrogen Steam reforming Attapulgite Ni catalysts CaO |
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