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题名: Selective hydrogenolysis of tetrahydrofurfuryl alcohol to 1,5-pentanediol over vanadium modified Ir/SiO2 catalyst
作者: Pholjaroen, Boonrat1, 2;  Li, Ning1;  Huang, Yanqiang1;  Li, Lin1;  Wang, Aiqin1;  Zhang, Tao1
关键词: Hydrogenolysis ;  Tetrahydrofurfuryl alcohol ;  1,5-Pentanediol ;  Vanadium ;  Ir/SiO2
刊名: CATALYSIS TODAY
发表日期: 2015-05-01
DOI: 10.1016/j.cattod.2014.08.011
卷: 245, 页:93-99
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
英文摘要: For the first time, V modified Ir/SiO2 (Ir-VOx/SiO2) catalyst was used for the selective hydrogenolysis of tetrahydrofurfuryl alcohol (THFA) to 1,5-pentanediol and exhibited better performance than those of V modified other noble metal (Rh, Ru, Pt and Pd) catalysts. The optimum V/Ir atomic ratio for the 4% Ir-VOx/SiO2 catalyst is about 0.10. Over the 4% Ir-VOx/SiO2 (V/Ir = 0.1) catalyst, high THFA conversion and 1,5-pentanediol selectivity can be achieved even at low reaction temperature or system pressure. To understand the reason for its excellent performance, the Ir-VOx/SiO2 catalysts were characterized by XRD, N-2-physisorption, TEM, CO chemisorption, H-2-TPR, XPS and DRIFTS for CO adsorption. It was found that the modification with V has no evident effect on the average size of Ir particles on the 4% Ir/SiO2 catalyst. The close interaction between V oxide and Ir particle promoted the reduction of VOx at lower temperature. The synergy between the closely contacted Ir particles and the partially reduced isolated VOx species attached on them is the reason for the excellent performance of Ir-VOx/SiO2 catalyst. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: CO HYDROGENATION ;  GLYCEROL HYDROGENOLYSIS ;  IR-REOX/SIO2 CATALYST ;  BIMETALLIC CATALYSTS ;  RHODIUM CATALYSTS ;  CYCLIC ETHERS ;  SUGAR POLYOLS ;  BIOMASS ;  REDUCTION ;  CONVERSION
语种: 英语
WOS记录号: WOS:000349997100015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146039
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Pholjaroen, Boonrat,Li, Ning,Huang, Yanqiang,et al. Selective hydrogenolysis of tetrahydrofurfuryl alcohol to 1,5-pentanediol over vanadium modified Ir/SiO2 catalyst[J]. CATALYSIS TODAY,2015,245:93-99.
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