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Pd nanoparticles entrapped in TiO2 nanotubes for complete butane catalytic combustion at 130 A degrees C
Yang, Xu1; Lu, Xueyi2; Wu, Liangpeng1; Zhang, Jiafeng1; Huang, Yanqin1; Li, Xinjun1
2017-09-01
Source PublicationENVIRONMENTAL CHEMISTRY LETTERS
Volume15Issue:3Pages:421-426
AbstractAir pollution by volatile organic compounds is a major health issue due to increasing industrialization and urbanization, notably in the developing countries. Cleaning organic pollutants by catalytic combustion is a potential solution, but actual methods require relatively high temperatures, thus increasing remediation costs. There is therefore a need for methods that operate at mild temperatures. Here we prepared a novel catalyst made of Pd nanoparticles entrapped in TiO2 nanotubes by vacuum-assisted impregnation. Then, we tested this catalyst for butane combustion. The catalyst was characterized by N-2 adsorption-desorption isotherms, transmission electronic microscopy, energy-dispersive X-ray analysis coupled with a scanning transmission electron microscope, X-ray photoelectron spectroscopy and temperature programmed oxidation. Results show a complete combustion of butane at 130 A degrees C, which is about 20 A degrees C lower than temperatures required by actual catalysts made of Pd nanoparticles deposited on the exterior surface of TiO2 nanotubes. Structure characterization suggests that this higher performance at lower temperature is explained by the confinement of TiO2 nanotubes. Such a confinement could hinder the metal sintering and, in turn, facilitate the formation of PdO during oxidation on the entrapped Pd nanoparticles.
SubtypeArticle
KeywordTio2 Nanotubes Confinement Effect Catalytic Combustion Pdo
WOS HeadingsScience & Technology ; Physical Sciences ; Technology ; Life Sciences & Biomedicine
DOI10.1007/s10311-017-0608-4
WOS Subject ExtendedChemistry ; Engineering ; Environmental Sciences & Ecology
WOS KeywordSUPPORTED PALLADIUM CATALYSTS ; LOW-TEMPERATURE ; METHANE COMBUSTION ; TITANATE NANOTUBES ; OXIDATION ; OSCILLATIONS ; POLLUTION
Indexed BySCI
Language英语
Funding OrganizationNational Scientific Foundation of China(51661145022 ; Science & Technology Plan Project of Guangdong Project of Guangdong Province, China(2013B050800002) ; 21303210)
WOS SubjectChemistry, Multidisciplinary ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000407922000005
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16287
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou Inst Energy Convers, 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,Lu, Xueyi,Wu, Liangpeng,et al. Pd nanoparticles entrapped in TiO2 nanotubes for complete butane catalytic combustion at 130 A degrees C[J]. ENVIRONMENTAL CHEMISTRY LETTERS,2017,15(3):421-426.
APA Yang, Xu,Lu, Xueyi,Wu, Liangpeng,Zhang, Jiafeng,Huang, Yanqin,&Li, Xinjun.(2017).Pd nanoparticles entrapped in TiO2 nanotubes for complete butane catalytic combustion at 130 A degrees C.ENVIRONMENTAL CHEMISTRY LETTERS,15(3),421-426.
MLA Yang, Xu,et al."Pd nanoparticles entrapped in TiO2 nanotubes for complete butane catalytic combustion at 130 A degrees C".ENVIRONMENTAL CHEMISTRY LETTERS 15.3(2017):421-426.
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