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题名: Highly dispersed molybdenum oxide supported on HZSM-5 for methane dehydroaromatization
作者: Sun, Changyong1, 2;  Yao, Songdong1;  Shen, Wenjie1;  Lin, Liwu1
通讯作者: 申文杰 ;  林励吾
关键词: Mo/HZSM-5 ;  ammonia solution ;  methane ;  dehydroaromatization ;  stability
刊名: CATALYSIS LETTERS
发表日期: 2008-04-01
DOI: 10.1007/s10562-007-9346-8
卷: 122, 期:1-2, 页:84-90
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Mo/HZSM-5 catalyst with highly dispersed MoO (x) species was prepared by adding ammonia solution to the ammonium heptamolybdate aqueous solution during the impregnation process. Compared with the large Mo7O246- species which is predominantly presented in the conventional impregnation solution, the monomer MoO42- formed in ammonia solution could efficiently diffuse into the micropores and/or channels of the HZSM-5, resulting in higher dispersion of Mo species as well as enhanced interaction with the surface -OH groups of HZSM-5. Consequently, the obtained Mo/HSZM-5 catalyst showed rather high catalytic stability and greatly enhanced selectivity towards benzene for methane dehydroaromatization reaction by effectively inhibiting the coke formation.
关键词[WOS]: HYDROTHERMAL POST-SYNTHESIS ;  NONOXIDATIVE CONDITIONS ;  MO/HZSM-5 CATALYSTS ;  COKE-RESISTANCE ;  AROMATIZATION ;  ZEOLITE ;  CONVERSION ;  SILANATION ;  MO/H-ZSM5 ;  ENHANCE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000253754800013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99951
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
2.Shantou Univ, Dept Chem, Shantou 515063, Peoples R China

Recommended Citation:
Sun, Changyong,Yao, Songdong,Shen, Wenjie,et al. Highly dispersed molybdenum oxide supported on HZSM-5 for methane dehydroaromatization[J]. CATALYSIS LETTERS,2008,122(1-2):84-90.
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