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题名: Studies on selectively catalytic reduction of NOx by methane over Ag-ZSM-5 catalysts
作者: Shi, CA;  Cheng, MJ;  Qu, ZP;  Yang, XF;  Bao, XH
关键词: Ag-ZSM-5 ;  CH4 ;  selective reduction ;  NO3-species
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2002-04-01
卷: 23, 期:4, 页:628-631
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: Ag-ZSM-5 catalysts were investigated for the selectively catalytic reduction of NO by methane in the excess of oxygen. The adsorption properties of NOx and the reaction of absorbed NOx with CH4 were studied through TPD and TPSR measurements. NOx was effectively and selectively reduced by CH, over Ag-ZSM-5 catalysts. The co-adsorption of NO and O-2 over Ag-ZSM-5 catalyst led to the formation of adsorbed NO3 species, which could be effectively reduced by CH4. Even in the presence of O-2, NO3 species were more reactive than O-2. The priority of CH4 reaction with surface NO3-species to form Nz was clearly observed.
语种: 英语
WOS记录号: WOS:000175203800027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139215
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.Dalian Univ Technol, Lab Plasma Phys Chem, Dalian 116024, Peoples R China

Recommended Citation:
Shi, CA,Cheng, MJ,Qu, ZP,et al. Studies on selectively catalytic reduction of NOx by methane over Ag-ZSM-5 catalysts[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2002,23(4):628-631.
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