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题名: The Promoting Effect of Fe Doping on Rh/CeO2 for the Ethanol Synthesis
作者: Liu, Weigang1, 2;  Wang, Sheng1;  Sun, Tianjun1;  Wang, Shudong1
关键词: CO hydrogenation ;  Rh/CeO2 catalyst ;  Ethanol ;  Fe promotion
刊名: CATALYSIS LETTERS
发表日期: 2015-09-01
DOI: 10.1007/s10562-015-1577-5
卷: 145, 期:9, 页:1741-1749
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 effects of Fe promotion were investigated on the activity and selectivity of Rh/CeO2 catalyst for the direct synthesis of ethanol from syngas. The catalysts were comprehensively characterized by X-ray diffraction (XRD), N-2 adsorption-desorption, CO uptake, H-2-TPR, temperature programmed surface reaction (TPSR), and FT-IR. XRD, CO uptake and FT-IR measurements indicated that Rh particles were well dispersed. TPSR results revealed that the addition of Fe changed CO dissociation behavior over the catalysts. FT-IR results showed that Fe promoter stabilized both linear carbonyl and gem-dicarbonyl species, which could be responsible for the improved catalytic activity. The interaction between Rh and Fe species is proposed to play a crucial role in achieving higher ethanol selectivity.
关键词[WOS]: CARBON-MONOXIDE ADSORPTION ;  RHODIUM SILICA CATALYSTS ;  RH-BASED CATALYSTS ;  CO HYDROGENATION ;  RH-MN-LI/SIO2 CATALYST ;  INFRARED-SPECTROSCOPY ;  OXYGENATE SYNTHESIS ;  SELECTIVE SYNTHESIS ;  CU/ZNO CATALYSTS ;  HIGHER ALCOHOLS
语种: 英语
WOS记录号: WOS:000359775800011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146464
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 Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Weigang,Wang, Sheng,Sun, Tianjun,et al. The Promoting Effect of Fe Doping on Rh/CeO2 for the Ethanol Synthesis[J]. CATALYSIS LETTERS,2015,145(9):1741-1749.
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