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题名: The function of Cu(II) ions in the Mo/CuH-ZSM-5 catalyst for methane conversion under non-oxidative condition
作者: Li, S;  Zhang, CL;  Kan, QB;  Wang, DY;  Wu, TH;  Lin, LW
关键词: Cu(II) ions ;  promoter ;  Mo/CuH-ZSM-5 ;  methane aromatization ;  benzene
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 1999-10-25
卷: 187, 期:2, 页:199-206
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Non-oxidative aromatization of methane was carried out over Mo/CuH-ZSM-5 and compared with that over Mo/H-ZSM-5. Cu(II) ions act as promoter in this reaction and improve the activity of the Mo/H-ZSM-5 catalyst notably. The effect of Cu species on the chemical state of Mo species and the changes of Cu species itself after reaction were studied by ESR and XPS methods. The introduction of Cu ions by ion-exchange method altered the reduction of Mo species, suppressed the dealumination of ZSM-5 framework and decreased coke formation over the catalyst. The results showed improved catalytic performance of Mo/H-ZSM-5 catalyst. The amount and nature of the coke which were influenced by the introduction of Cu ions were also investigated. (C) 1999 Elsevier Science B.V. All rights reserved.
关键词[WOS]: MAS NMR ;  BENZENE ;  MO/HZSM-5 ;  OXYGEN ;  DEHYDROGENATION ;  TRANSFORMATIONS ;  AROMATIZATION ;  AROMATICS ;  LOCATION ;  MO/ZSM-5
语种: 英语
WOS记录号: WOS:000083205300003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138631
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.Jilin Univ, Dept Chem, Changchun 130023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Li, S,Zhang, CL,Kan, QB,et al. The function of Cu(II) ions in the Mo/CuH-ZSM-5 catalyst for methane conversion under non-oxidative condition[J]. APPLIED CATALYSIS A-GENERAL,1999,187(2):199-206.
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