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题名: Liquid-phase selective hydrogenation of benzene to cyclohexene on Ru/Al2O3-ZrO2/cordierite monolithic catalysts
作者: Zhao, Yujun1;  Zhou, Jin2;  Zhang, Jianguo2;  Wang, Shudong2
关键词: Ru ;  Benzene ;  Cyclohexene ;  Hydrogenation ;  Monolith ;  Al2O3 ;  ZrO2
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2009-08-18
DOI: 10.1016/j.molcata.2009.04.012
卷: 309, 期:1-2, 页:35-39
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: Monolithic catalysts, Ru/Al2O3-ZrO2/cordierite, were prepared by dipcoating and impregnation for liquid-phase selective hydrogenation of benzene to cyclohexene in a continuous fixed bed reactor. Ru/Al2O3-ZrO2/cordierite showed excellent catalytic performance due to the high specific surface area and the large pores of Al2O3-ZrO2 support. The Zr/Al ratio was optimized to be 0.116 and the excessive amount of ZrO2 resulted in a decreased specific surface area of the Al2O3-ZrO2 washcoating layer. The preferable calcination temperature is 1373 K for Al2O3-ZrO2 support, at which suitable BET surface area and pore size distribution could be obtained. It was also found that appropriate ratio of Zn/Ru was essential to obtain high selectivity. Additionally, compared to the powder catalysts used in the slurry reactor, the monolithic catalysts exhibited much higher activity regarding the yield of cyclohexene and cyclohexane. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: AQUEOUS SALT SOLUTION ;  RUTHENIUM CATALYSTS ;  PERFORMANCE ;  SILICA
语种: 英语
WOS记录号: WOS:000268905100005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141419
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.Tianjin Univ, Key Lab Green Chem Technol, Minist Educ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Zhao, Yujun,Zhou, Jin,Zhang, Jianguo,et al. Liquid-phase selective hydrogenation of benzene to cyclohexene on Ru/Al2O3-ZrO2/cordierite monolithic catalysts[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2009,309(1-2):35-39.
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