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题名: The effect of oxygen on the aromatization of methane over the Mo/HZSM-5 catalyst
作者: Yuan, SD;  Li, J;  Hao, ZX;  Feng, ZC;  Xin, Q;  Ying, PL;  Li, C
关键词: methane ;  oxygen ;  aromatization ;  Mo/HZSM-5 ;  coke formation ;  UV-Raman spectroscopy
刊名: CATALYSIS LETTERS
发表日期: 1999
卷: 63, 期:1-2, 页:73-77
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The aromatization of methane over a Mo/HZSM-5 catalyst was carried out in the presence of oxygen. It is shown that the addition of a small amount of oxygen is beneficial to improve the durability of the catalyst. UV-Raman spectra disclose that the carbonaceous deposits formed on the HZSM-5 are mainly polyolefinic and aromatic, while that on the Mo/HZSM-5 is mainly polyaromatic. The small amount of O-2 added may partly remove the coke deposits on the active sites and keep the catalyst as MoOxCy/HZSM-5, thus resulting in an improvement of the catalytic performance of the Mo/HZSM-5 catalyst.
关键词[WOS]: RAMAN-SPECTROSCOPY ;  CONVERSION ;  BENZENE ;  TRANSFORMATION ;  HYDROCARBONS ;  NAPHTHALENE ;  MOLYBDENUM ;  STABILITY ;  MO/ZSM-5 ;  CO
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000083862500010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/88139
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:
Yuan, SD,Li, J,Hao, ZX,et al. The effect of oxygen on the aromatization of methane over the Mo/HZSM-5 catalyst[J]. CATALYSIS LETTERS,1999,63(1-2):73-77.
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