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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
Source PublicationAPPLIED CATALYSIS A-GENERAL
Volume526Pages:45-52
AbstractRu 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.
SubtypeArticle
KeywordConfinement Tio2 Nanotubes Ruthenium Fischer-tropsch Synthesis
WOS HeadingsScience & Technology ; Physical Sciences ; Life Sciences & Biomedicine
DOI10.1016/j.apcata.2016.07.021
WOS Subject ExtendedChemistry ; Environmental Sciences & Ecology
WOS KeywordCARBON NANOTUBES ; RUTHENIUM NANOPARTICLES ; TITANATE NANOTUBES ; REACTION PATHWAY ; SYNTHESIS GAS ; CATALYSTS ; DEACTIVATION ; SUPPORT ; SIZE ; HYDROGENATION
Indexed BySCI
Language英语
Funding OrganizationNational Scientific Foundation of China(21303210) ; National 973 Project of China(2013CB228105)
WOS SubjectChemistry, Physical ; Environmental Sciences
WOS IDWOS:000384865600006
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13951
Collection中国科学院广州能源研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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