Hydrogen production from ethanol steam reforming over Rh/CeO2 catalyst |
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| Affiliation: | 1. Faculty of Light Industry and Chemical Engineering, Dalian Polytechnic University, 116023 Dalian, China;2. Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Sciences, 510640 Guangzhou, China;3. College of Materials Science and Engineering, Dalian Jiaotong University, 116023 Dalian, China |
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| Abstract: | Hydrogen production from ethanol steam reforming over an Rh/CeO2 catalyst was investigated with a stoichiometric feed composition. Ethanol was entirely converted to hydrogen and C1 products (CO, CO2, CH4) at 400 °C due to the remarkable C–C bond cleavage capacity of Rh species. The Rh/CeO2 catalyst exhibited stable activity and selectivity without the obvious deactivation during 70 h on stream test. Structural analysis of the aged catalysts indicated that the strong interaction between Rh and ceria support efficiently inhibited Rh particles sintering (stable at around 2 nm) and coke formation to guarantee catalyst stability. |
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