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题名: A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5
作者: Wang, LS;  Cui, W;  Liu, XC;  Xu, YD;  Guo, XX
关键词: TPO ;  TPSHR ;  carbonaceous deposit ;  Mo/HZSM-5
刊名: PROGRESS IN NATURAL SCIENCE
发表日期: 1999-02-01
卷: 9, 期:2, 页:109-113
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary ;  Multidisciplinary Sciences
研究领域[WOS]: Materials Science ;  Science & Technology - Other Topics
英文摘要: The surface carbonaceous species on Mo/HZSM-5, which are formed from methane dehydrogenation and aromatization, are characterized by temperature programmed oxidation (TPO), C-13 CPMAS NMR and studied by temperature programmed surface hydrogenation reaction (TPSHR). According to their peak temperatures in the profile of TPO, three carbonaceous species of C-alpha, C-beta, and C-gamma on Mo/HZSM-5 can be detected. C-alpha is the most active and C-beta second as far as the reaction with hydrogen is concerned. C-gamma is inert and deposited on HZSM-5. Two types of surface carbonaceous species of C-sigma and C-pi on used Mo/HZSM-5 can be identified by C-13 CPMAS-NMR, whereas only C-sigma on HZSM-5. C-sigma is sp(3) coordinated carbon and C-pi is sp(2) coordinated.
关键词[WOS]: DEHYDRO-OLIGOMERIZATION ;  2-STEP REACTION ;  HYDROCARBONS ;  CONVERSION ;  DEHYDROGENATION ;  BENZENE
语种: 英语
WOS记录号: WOS:000078393200005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138628
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:
Wang, LS,Cui, W,Liu, XC,et al. A novel catalytic approach to the production of aromatics and ethene directly from methane - (II) - TPSHR and characterization of the surface carbonaceous species on Mo/HZSM-5[J]. PROGRESS IN NATURAL SCIENCE,1999,9(2):109-113.
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