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The Promoting Effect of Fe Doping on Rh/CeO2 for the Ethanol Synthesis
Liu, Weigang1,2; Wang, Sheng1; Sun, Tianjun1; Wang, Shudong1
关键词Co Hydrogenation Rh/ceo2 Catalyst Ethanol Fe Promotion
刊名CATALYSIS LETTERS
2015-09-01
DOI10.1007/s10562-015-1577-5
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
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
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.
语种英语
WOS记录号WOS:000359775800011
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146464
专题中国科学院大连化学物理研究所
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
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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.
APA Liu, Weigang,Wang, Sheng,Sun, Tianjun,&Wang, Shudong.(2015).The Promoting Effect of Fe Doping on Rh/CeO2 for the Ethanol Synthesis.CATALYSIS LETTERS,145(9),1741-1749.
MLA Liu, Weigang,et al."The Promoting Effect of Fe Doping on Rh/CeO2 for the Ethanol Synthesis".CATALYSIS LETTERS 145.9(2015):1741-1749.
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