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Effects of Fe promoter on desorption and hydrogenation of CO adsorbed on Rh-Mn-Li/SiO2 catalyst
Yin, HM; Ding, YJ; Luo, HY; Zhu, HJ; Yan, L; Lin, LW
关键词Rhodium Manganese Lithium Iron Supported Catalyst Carbon Monoxide Hydrogenation Methane Temperature-programmed Desorption Temperature-programmed Surface Reaction
刊名CHINESE JOURNAL OF CATALYSIS
2002-09-01
23期:5页:448-452
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]RHODIUM ; SYNGAS
英文摘要The effects of Fe promoter on the desorption and hydrogenation of adsorbed CO over a series of silica-supported Rh-based catalysts were investigated by means of temperature-programmed desorption of adsorbed CO (CO-TPD) and temperature-programmed surface reaction (TPSR) of adsorbed CO with hydrogen. There were three peaks of CO desorption in the CO-TPD spectra over the Rh/SiO2, catalyst. The low-temperature peak of CO desorption was unchanged and the two high-temperature peaks shifted simultaneously toward lower temperature and became narrower when 0.05% of Fe was added into Rh/SiO2. In contrast, the desorption peaks at high temperature moved to higher temperature when 0.05% of Fe was added into the Rh-Mn-Li/SiO2 catalyst, and the amount of CO desorption was more than that over Rh/SiO2. However, the amount of CO desorption decreased with increasing amount of Fe added. The temperature of maximum methane formation in the TPSR spectra was found to be in the following order: Rh/SiO2(482 K)
语种英语
WOS记录号WOS:000178634300015
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139233
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Yin, HM,Ding, YJ,Luo, HY,et al. Effects of Fe promoter on desorption and hydrogenation of CO adsorbed on Rh-Mn-Li/SiO2 catalyst[J]. CHINESE JOURNAL OF CATALYSIS,2002,23(5):448-452.
APA Yin, HM,Ding, YJ,Luo, HY,Zhu, HJ,Yan, L,&Lin, LW.(2002).Effects of Fe promoter on desorption and hydrogenation of CO adsorbed on Rh-Mn-Li/SiO2 catalyst.CHINESE JOURNAL OF CATALYSIS,23(5),448-452.
MLA Yin, HM,et al."Effects of Fe promoter on desorption and hydrogenation of CO adsorbed on Rh-Mn-Li/SiO2 catalyst".CHINESE JOURNAL OF CATALYSIS 23.5(2002):448-452.
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