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On the correlation between microstructural changes of Ag-H-ZSM-5 catalysts and their catalytic performances in the selective catalytic reduction of NOx by methane
Shi, C; Cheng, MJ; Qu, ZP; Bao, XH; Bao XH(包信和); Bao XH(包信和)
关键词Ag-h-zsm-5 Catalyst Selective Catalytic Reductions Nox
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2005-07-01
DOI10.1016/j.molcata.2004.10.045
235期:1-2页:35-43
收录类别SCI
文章类型Article
部门归属5
项目归属502
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
关键词[WOS]SILVER-ALUMINA CATALYSTS ; SUPPORTED AG CATALYSTS ; ZEOLITE-Y ; OPTICAL SPECTROSCOPY ; SUBSURFACE OXYGEN ; CLUSTERS ; OXIDATION ; C3H6 ; HYDROCARBONS ; DIMERIZATION
英文摘要The silver catalyzed, selective catalytic reduction (SCR) of nitrogen oxides (NOx) by CH4, is shown to be a structure-sensitive reaction. Pretreatment has a great affect on the catalytic performances. Upon thermal treatment in inert gas stream, thermal induced changes in silver morphology lead to the formation of reduced silver species of clusters and particles. Catalysis over this catalyst indicates an initially higher activity but lower selectivity for the CH4-SCR of NOx Reaction induced restructuring of silver results in the formation of ill-defined silver oxides. This, in turn, impacts the adsorption properties and diffusivity of oxygen over silver catalyst, results in the decrease in activity but increase in selectivity of Ag-H-ZSM-5 catalyst for the CH4-SCR of NO.. (c) 2004 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000230297800005
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/93117
专题中国科学院大连化学物理研究所
通讯作者Bao XH(包信和); Bao XH(包信和)
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
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GB/T 7714
Shi, C,Cheng, MJ,Qu, ZP,et al. On the correlation between microstructural changes of Ag-H-ZSM-5 catalysts and their catalytic performances in the selective catalytic reduction of NOx by methane[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2005,235(1-2):35-43.
APA Shi, C,Cheng, MJ,Qu, ZP,Bao, XH,包信和,&包信和.(2005).On the correlation between microstructural changes of Ag-H-ZSM-5 catalysts and their catalytic performances in the selective catalytic reduction of NOx by methane.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,235(1-2),35-43.
MLA Shi, C,et al."On the correlation between microstructural changes of Ag-H-ZSM-5 catalysts and their catalytic performances in the selective catalytic reduction of NOx by methane".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 235.1-2(2005):35-43.
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