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Preparation and Characterization of Ru/Al2O3/Cordierite Monolithic Catalysts for Selective Hydrogenation of Benzene to Cyclohexene
Zhao, Yujun1,2; Zhou, Jin2; Zhang, Jianguo2; Wang, Shudong2; Wang SD(王树东)
关键词Ruthenium Benzene Cyclohexene Hydrogenation Cordierite Monolith
刊名CATALYSIS LETTERS
2009-09-01
DOI10.1007/s10562-009-0025-9
131期:3-4页:597-605
收录类别SCI
文章类型Article
部门归属9
项目归属901
产权排名2;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]LIQUID-PHASE HYDROGENATION ; EFFICIENT 3-PHASE REACTORS ; AQUEOUS SALT SOLUTION ; RUTHENIUM CATALYSTS ; PERFORMANCE
英文摘要A series of Ru/Al2O3/cordierite monolithic catalysts were prepared and characterized by BET, XRD, TPR, TEM and SEM-EDAX. The catalytic performances in selective hydrogenation of benzene to cyclohexene were investigated in a continuous fixed-bed reactor. The preparation conditions significantly influence morphology, particle size, and surface area of the catalyst, subsequently affecting the catalytic performances. It was found that higher calcination temperature of the Ru-based monolithic catalyst led to the conglomeration and crystallite growth of the t-RuO2, which will decrease the catalytic activity. The lower thickness and the larger pore size of the alumina washcoating layer are the preferential choices to obtain higher cyclohexene selectivity due to the improved internal mass transfer of cyclohexene. It was also found that high ruthenium loading resulted in deep hydrogenation of cyclohexene. Moreover, the reduction temperature was optimized to 473 K and excess high temperature led to the deterioration of both activity and cyclohexene selectivity.
语种英语
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WOS记录号WOS:000269883300040
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被引频次:15[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/321008/102453
专题中国科学院大连化学物理研究所
通讯作者Wang SD(王树东)
作者单位1.Tianjin Univ, Key Lab Green Chem Technol, Sch Chem Engn & Technol, Minist Educ, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Modern Chem Lab, Dalian 116023, Liaoning, Peoples R China
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GB/T 7714
Zhao, Yujun,Zhou, Jin,Zhang, Jianguo,et al. Preparation and Characterization of Ru/Al2O3/Cordierite Monolithic Catalysts for Selective Hydrogenation of Benzene to Cyclohexene[J]. CATALYSIS LETTERS,2009,131(3-4):597-605.
APA Zhao, Yujun,Zhou, Jin,Zhang, Jianguo,Wang, Shudong,&王树东.(2009).Preparation and Characterization of Ru/Al2O3/Cordierite Monolithic Catalysts for Selective Hydrogenation of Benzene to Cyclohexene.CATALYSIS LETTERS,131(3-4),597-605.
MLA Zhao, Yujun,et al."Preparation and Characterization of Ru/Al2O3/Cordierite Monolithic Catalysts for Selective Hydrogenation of Benzene to Cyclohexene".CATALYSIS LETTERS 131.3-4(2009):597-605.
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