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题名: Catalytic decomposition of hydrazine over alpha-Mo2C/gamma-Al2O3 catalysts
作者: Chen, XW;  Zhang, T;  Zheng, MY;  Xia, LG;  Li, T;  Wu, WC;  Wang, XD;  Li, C
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
发表日期: 2004-09-15
DOI: 10.1021/ie034262w
卷: 43, 期:19, 页:6040-6047
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: A series of alpha-Mo2C/gamma-Al2O3 catalysts with different Mo loadings were prepared by temperature-programmed reaction and characterized by X-ray diffraction, BET specific surface area determination, and NH3 temperature-programmed desorption. Their ability to decompose hydrazine was tested using a thruster and a microreactor. The catalytic activity for hydrazine decomposition of the fresh alpha-Mo2C/gamma-Al2O3 catalyst is higher than that of the passivated alpha-Mo2C/gamma-Al2O3 catalyst. The catalytic activity also decreased with the reaction time at 303 K, and the deactivation is mainly due to strongly adsorbed NHx species. Flushing with N-2 at 773 K recovers the activity of the catalyst. It was shown that hydrazine decomposes to NH3 and N-2 at low temperatures, and the produced NH3 dissociates into N-2 and H-2 at elevated temperatures.
关键词[WOS]: SUPPORTED MOLYBDENUM CARBIDE ;  NITRIDE CATALYSTS ;  THIOPHENE HYDRODESULFURIZATION ;  CARBON-MONOXIDE ;  HYDROGENATION ;  ALUMINA ;  AMMONIA ;  HYDRODENITROGENATION ;  TUNGSTEN ;  SURFACE
语种: 英语
WOS记录号: WOS:000223807400011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138459
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, State Key Lab Catal, Dalian 116023, Peoples R China

Recommended Citation:
Chen, XW,Zhang, T,Zheng, MY,et al. Catalytic decomposition of hydrazine over alpha-Mo2C/gamma-Al2O3 catalysts[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2004,43(19):6040-6047.
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