Ethanol Steam Reforming in a Microchannel Reactor |
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| Institution: | 1. Department of Chemical Engineering, Ajou University, Suwon 443-749, Republic of Korea;2. Department of Energy Systems Research, Ajou University, Suwon 443-749, Republic of Korea;3. Base Chemicals Research Team, Samsung Total Petrochemicals Co., Ltd., Seosan-Si, Chungnam 356-711, Republic of Korea;1. Departamento de Ingeniería Química, Universidad del País Vasco UPV/EHU, Apartado 644, 48080 Bilbao, Spain;2. Departamento de Ingeniería Química y Medio Ambiente, Universidad del País Vasco UPV/EHU, Paseo Rafael Moreno “Pitxitxi” 3, 48013 Bilbao, Spain;1. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin Key Laboratory of Applied Catalysis Science and Engineering, School of Chemical Engineering, Tianjin University, Tianjin 300072, China;2. School of Chemical Engineering, Inner Mongolia University of Technology, Huhehaot 010062, China |
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| Abstract: | The reaction between ethanol and water was studied in the temperature range of 400–600°C at atmospheric pressure over supported catalysts in a microchannel reactor. The supported catalysts prepared by washcoating and impregnation were active in the ethanol steam reforming but differ in their performance. The metal nature, metal loading and type of the carriers markedly influence the catalytic activity and selectivity of the catalysts. Among them Rh-based catalysts exhibited the highest catalytic activity, as compared to Co and Ni-based catalysts. Bimetallic Rh-Ni catalysts exhibit significant improvement in terms of ethanol conversion and hydrogen selectivity and the promoting role of the Ni and CeO2 addition is discussed. The bimetallic Rh-Ni catalyst promoted by CeO2 was stable for at least 100 h without any detectable degradation in performance. |
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