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题名: Formation of active phase of the catalyst for the reaction of methane aromatization
作者: Ma, D;  Su, LL;  Shu, YY;  Xu, YD;  Bao, XH
关键词: methane aromatization ;  induction period ;  molybdenum carbide ;  MCM-22 ;  ZSM-5 ;  TPSR
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2001-09-01
卷: 22, 期:9, 页:1535-1538
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The behavior of different species during the temperature-programmed surface reaction (TPSR) of methane over various catalysts is traced by an on-line mass spectrometer. It is demonstrated that the transformation of MoO3 to molybdenum carbide hinders the activation of methane as well as the succeeding aromatization in the TPSR. If this transformation process is done before the reaction, the temperature needed for methane activation and benzene formation will be greatly lowered (760 K and 847 K, respectively). It is strongly suggested that molybdenum carbide is one of the active center of this catalytic process.
关键词[WOS]: DEHYDRO-AROMATIZATION ;  MO ;  BENZENE ;  CONVERSION ;  MO/HZSM-5 ;  ZEOLITE
语种: 英语
WOS记录号: WOS:000172215200023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138963
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 Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Ma, D,Su, LL,Shu, YY,et al. Formation of active phase of the catalyst for the reaction of methane aromatization[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2001,22(9):1535-1538.
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