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题名: Measurement of concentration profiles over ZnO-Cr2O3/CeO2-ZrO2 monolithic catalyst in oxidative steam refon-ning of methanol
作者: Congwei Wang;  Na Liu;  Liwei Pan;  Sheng Wang;  Zhongshan Yuan;  Shudong Wang
关键词: concentration profile ;  methanol ;  oxidative steam reforming ;  monolithic catalysts
刊名: FUEL PROCESSING TECHNOLOGY
发表日期: 2007
DOI: 10.1016/j.fuproc.2006.08.007
卷: 88, 期:1, 页:65-71
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Engineering
英文摘要: Oxidative steam reforming of methanol (OSRM) reaction was investigated over a novel monolithic ZnO-Cr2O3/CeO2-ZrO2 catalyst developed in our laboratory. A novel flat-bed reactor was designed to measure the concentration profiles of the monolithic catalyst beds under different operation conditions: water-to-methanol mole ratio (W/M)between 1 and 1.5; oxygen-to-methanol mole ratio (O/M) in the range of 0.1-0.3; space velocity ranging from 1840 to 2890 h(-1); and reaction temperature in the scale of 400-440 degrees C. On the basis of these results, reaction pathways for the OSRM were discussed. It is indicated that only three independent reactions dominate in our reaction system, namely, the partial oxidation of methanol, the steam reforming of methanol and the methanol decomposition reaction, whereas the water-gas shift and the reverse water-gas shift reactions should be ignored. In addition, the steam reforming of methanol proceeds along all the catalyst bed, whereas methanol decomposition and oxidation reactions occur mainly at the entrance of the catalyst bed. (C) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: HYDROGEN-PRODUCTION ;  CU/ZNO/AL2O3 CATALYSTS ;  PD/ZNO CATALYST ;  REACTOR ;  GENERATION ;  KINETICS
语种: 英语
WOS记录号: WOS:000243798900007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140532
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Congwei Wang,Na Liu,Liwei Pan,et al. Measurement of concentration profiles over ZnO-Cr2O3/CeO2-ZrO2 monolithic catalyst in oxidative steam refon-ning of methanol[J]. FUEL PROCESSING TECHNOLOGY,2007,88(1):65-71.
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