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Performance of Promoted Rh-Fe/Al2O3 Catalysts for CO Hydrogenation to Ethanol
Chen Weimiao; Ding Yunjie1; Song Xiangeng2; Zhu Hejun; Yan Li; Wang Tao
关键词Rhodium Iron Alumina Supported Catalyst Carbon Monoxide Hydrogenation Ethanol
刊名CHINESE JOURNAL OF CATALYSIS
2012-06-01
DOI10.3724/SP.J.1088.2012.11215
33期:6页:1007-1013
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]RH-BASED CATALYSTS ; SYNGAS ; CONVERSION ; SPECTROSCOPY ; MECHANISM ; ALCOHOLS ; RHODIUM ; IRON
英文摘要The effects of Rh and Fe loading, and promoters on CO hydrogenation performance over Rh-Fe/Al2O3 catalysts were investigated, as well as the stability of the catalysts. The results showed that with the increasing of Fe loading, methanol selectivity produced from syngas increased continuously accompanying by the decrease in methane selectivity, but the ethanol selectivity had a maximum value. The addition of alkaline or alkaline earth metals promoted methanol coupling or CO dissociation and insertion, or suppressed hydrogenation ability more or less, as a result, ethanol selectivity enhanced, and methanol selectivity decreased, but hydrocarbon selectivity remained almost unchanged. With CO hydrogenation reaction proceeding, hydrocarbon selectivity decreased, but methanol selectivity increased gradually, unfortunately, ethanol selectivity decreased, and the additions of promoters had little effect on it, probably due to the reduction of Fe species by syngas or decreasing of Rh-Fe interface areas during reaction.
语种英语
WOS记录号WOS:000305108900014
引用统计
被引频次:6[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/321008/142974
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, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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GB/T 7714
Chen Weimiao,Ding Yunjie,Song Xiangeng,et al. Performance of Promoted Rh-Fe/Al2O3 Catalysts for CO Hydrogenation to Ethanol[J]. CHINESE JOURNAL OF CATALYSIS,2012,33(6):1007-1013.
APA Chen Weimiao,Ding Yunjie,Song Xiangeng,Zhu Hejun,Yan Li,&Wang Tao.(2012).Performance of Promoted Rh-Fe/Al2O3 Catalysts for CO Hydrogenation to Ethanol.CHINESE JOURNAL OF CATALYSIS,33(6),1007-1013.
MLA Chen Weimiao,et al."Performance of Promoted Rh-Fe/Al2O3 Catalysts for CO Hydrogenation to Ethanol".CHINESE JOURNAL OF CATALYSIS 33.6(2012):1007-1013.
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