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Effect of confinement of TiO2 nanotubes over the Ru nanoparticles on Fischer-Tropsch synthesis
Yang, Xu1; Wang, Wenbo1; Wu, Liangpeng1; Li, Xinjun1; Wang, Tiejun1; Liao, Shijun2
2016-09-25
发表期刊APPLIED CATALYSIS A-GENERAL
卷号526页码:45-52
摘要Ru nanoparticles (NPs) have been successfully deposited in the inner pores of TiO2 nanotubes (TNTs), denoted as Ru-in/TNT, by vacuum assisted impregnation method for Fischer-Tropsch synthesis (FTS). The composition, morphology and electronic properties have been characterized by the XRD, TEM, N-2-sorption, H-2-TPR/TPD and XPS, investigating the confinement effect of TNT on the entrapped Ru NPs' FTS performance. The Ru-in/TNT exhibits high CO conversion activity and superior deactivation-resist ability over the Ru-out/TNT (with most of Ru NPs deposited on the outer surface of TNT) and Ru/P25 (using commercial P25 powder as support) catalysts. Besides above superiority, the Ru-in/TNT facilitates the formation of long chain (C19+) products as well. The enhanced activity and selectivity can be ascribed to the confinement effect of TNT: (i) strengthen charge transfer and modulate the electronic properties of Ru species resulting in more active center site; (ii) constrain the metal sintering and metal leaching to resist deactivation during FTS; (iii) facilitate the re-adsorption of ce-olefin leading to long-chain product. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Confinement Tio2 Nanotubes Ruthenium Fischer-tropsch Synthesis
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
资助者National Scientific Foundation of China(21303210) ; National 973 Project of China(2013CB228105) ; National Scientific Foundation of China(21303210) ; National 973 Project of China(2013CB228105)
DOI10.1016/j.apcata.2016.07.021
研究领域[WOS]Chemistry ; Environmental Sciences & Ecology
关键词[WOS]CARBON NANOTUBES ; RUTHENIUM NANOPARTICLES ; TITANATE NANOTUBES ; REACTION PATHWAY ; SYNTHESIS GAS ; CATALYSTS ; DEACTIVATION ; SUPPORT ; SIZE ; HYDROGENATION
收录类别SCI
语种英语
资助者National Scientific Foundation of China(21303210) ; National 973 Project of China(2013CB228105) ; National Scientific Foundation of China(21303210) ; National 973 Project of China(2013CB228105)
WOS类目Chemistry, Physical ; Environmental Sciences
WOS记录号WOS:000384865600006
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://ir.giec.ac.cn/handle/344007/13951
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.South China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China
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Yang, Xu,Wang, Wenbo,Wu, Liangpeng,et al. Effect of confinement of TiO2 nanotubes over the Ru nanoparticles on Fischer-Tropsch synthesis[J]. APPLIED CATALYSIS A-GENERAL,2016,526:45-52.
APA Yang, Xu,Wang, Wenbo,Wu, Liangpeng,Li, Xinjun,Wang, Tiejun,&Liao, Shijun.(2016).Effect of confinement of TiO2 nanotubes over the Ru nanoparticles on Fischer-Tropsch synthesis.APPLIED CATALYSIS A-GENERAL,526,45-52.
MLA Yang, Xu,et al."Effect of confinement of TiO2 nanotubes over the Ru nanoparticles on Fischer-Tropsch synthesis".APPLIED CATALYSIS A-GENERAL 526(2016):45-52.
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