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题名: A study on the reduction behavior of silica supported iron and platinum-iron catalysts
作者: Jia, JF;  Shen, JY;  Lin, LW;  Xu, ZS;  Zhang, T;  Liang, DB
关键词: platinum ;  iron ;  in situ-TPR-Mossbauer Spectroscopy
刊名: REACTION KINETICS AND CATALYSIS LETTERS
发表日期: 1998-07-01
卷: 64, 期:2, 页:255-260
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The reduction behavior of silica supported iron and platinum-iron catalysts were studied by combined in situ temperature programmed reduction (TPR)-Mossbauer Spectroscopy (MBS). The results indicated that the TPR profiles of the supported Fe catalysts were different from that of bulk alpha-Fe2O3. There existed an interaction between the Pt and Fe metals and the SiO2 support for the Pt-Fe/SiO2 catalyst. On the supported iron-containing catalysts, the Fe3+ species were highly dispersed on the SiO2 support before reduction. No Fe-0 and Fe2+ in octahedral vacancy were found in the reduction of SiO2 supported iron-containing catalysts. Addition of Pt to the Fe/SiO2 catalyst could promote the reduction of the iron species.
关键词[WOS]: METAL-SUPPORT
语种: 英语
WOS记录号: WOS:000076025200007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138148
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, Dalian 116023, Peoples R China
2.Nanjing Univ, Dept Chem, Nanjing 210093, Peoples R China

Recommended Citation:
Jia, JF,Shen, JY,Lin, LW,et al. A study on the reduction behavior of silica supported iron and platinum-iron catalysts[J]. REACTION KINETICS AND CATALYSIS LETTERS,1998,64(2):255-260.
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