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题名: Infrared Studies of the Surface Structure of Commercial Pt-Re/Al2O3 Reforming Catalyst
作者: Hu Yongren1;  Zhang Lanxin1;  Xin Qin2;  Gao Xingtao2;  Ying Pinliang2
关键词: Infrared spectroscopy ;  CO ;  NO ;  Pt ;  Re ;  Surface structure
刊名: ACTA PHYSICO-CHIMICA SINICA
发表日期: 1995
DOI: 10.3866/PKU.WHXB19950714
卷: 11, 期:7, 页:636-641
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: Infrared studies of adsorbed CO and NO on Pt/Al2O3, Re/Al2O3 and Pt-Re/Al2O3 were made to obtain information on the surface properties of Pt and Pt-Re reforming catalysts. The Pt/Al2O3 and Re/Al2O3 catalyst with very low concentration of supported metals and commercial Pt/Al2O3 catalyst have heen studied. The concentration of Pt is 0.22%, and Re is 0.43%(mass fraction). The results indicate that the infrared spectra of competitively adsorbed probe molecules NO and CO can be used to characterize the surfae structure of Pt and Re on reduced Pt-Re/Al2O3 catalyst, and to make semiquantitative analysis. More direct evidence of infrared spectra of competitively adsorbed NO and CO indicates that there is no formation of Pt-Re alloys or metallic clusters on the surface of reduced Pt-Re/Al2O3 catalyst.
语种: 英语
WOS记录号: WOS:000207590600014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142763
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.Res Inst Petrochem Proc, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Hu Yongren,Zhang Lanxin,Xin Qin,et al. Infrared Studies of the Surface Structure of Commercial Pt-Re/Al2O3 Reforming Catalyst[J]. ACTA PHYSICO-CHIMICA SINICA,1995,11(7):636-641.
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