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题名: A Mossbauer study of In-Fe2O3/HZSM-5 catalysts for the selective catalytic reduction of NO by methane
作者: Wang, XD;  Zhao, XQ;  Shen, JY;  Sun, XY;  Zhang, T;  Lin, LW
刊名: PHYSICAL CHEMISTRY CHEMICAL PHYSICS
发表日期: 2002
DOI: 10.1039/b110515a
卷: 4, 期:12, 页:2846-2851
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: The selective catalytic reduction of NO by CH4 was compared over In-Fe2O3/HZSM-5 catalysts prepared by impregnation and co-impregnation methods. It was found that the catalyst preparation method greatly affected the catalyst activity. The impregnated catalyst was very active, but the co-impregnated one showed poor activity. The In Fe2O3/HZSM-5 catalysts were investigated by Mossbauer spectroscopy. The results showed that indium cations entered into the iron oxide lattice in the co-impregnated catalyst, while the impregnated catalyst exhibited a more stable structure, when both of the catalysts were treated severely in the reaction atmosphere. Characterization by means of combined in situ temperature programmed reduction (TPR)- Mossbauer spectroscopy further revealed that the performances of the two catalysts were different in the TPR processes.
关键词[WOS]: TEMPERATURE-PROGRAMMED REDUCTION ;  FISCHER-TROPSCH CATALYSTS ;  SUPPORTED IRON CATALYSTS ;  X-RAY-DIFFRACTION ;  FE/ZSM-5 CATALYSTS ;  NITROGEN MONOXIDE ;  EXCESS OXYGEN ;  SPECTROSCOPY ;  OXIDE ;  DURABILITY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000176246700054
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/83147
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.Nanjing Univ, Dept Chem, Nanjing 210093, Peoples R China

Recommended Citation:
Wang, XD,Zhao, XQ,Shen, JY,et al. A Mossbauer study of In-Fe2O3/HZSM-5 catalysts for the selective catalytic reduction of NO by methane[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2002,4(12):2846-2851.
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