DICP OpenIR
Modulating the methanation activity of Ni by the crystal phase of TiO2
Lin, Yaping1,2; Zhu, Yifeng1; Pan, Xiulian1; Bao, Xinhe1
Source PublicationCATALYSIS SCIENCE & TECHNOLOGY
2017-07-07
DOI10.1039/c7cy00124j
Volume7Pages:2813-2818
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordSUPPORTED NICKEL-CATALYSTS ; SELECTIVE CO METHANATION ; SYNTHETIC NATURAL-GAS ; ZIRCONIA CATALYSTS ; HYDROGENATION ; NI/TIO2 ; COADSORPTION ; ADSORPTION ; MECHANISM ; TITANIA
AbstractWe demonstrate that the methanation activity of Ni catalysts is modulated by the crystal phase of the TiO2 support. The rutile TiO2 (r-TiO2)-supported Ni catalyst gives a turnover frequency almost two orders of magnitude higher than the anatase TiO2 (a-TiO2)-supported catalyst although the two catalysts exhibit a similar mean Ni particle size. Characterization by H-2-TPR, H-2-TPD, XPS and IR reveals a stronger interaction between Ni and r-TiO2, leading to a higher capability of CO activation and hydrogenation activity of Ni although Ni is partially covered by TiOx overlayers during reaction. Interestingly, the modulating effects of the titania crystal phases are much more pronounced on the activity of Ni in CO2 methanation.
Language英语
WOS IDWOS:000404887400016
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/152070
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lin, Yaping,Zhu, Yifeng,Pan, Xiulian,et al. Modulating the methanation activity of Ni by the crystal phase of TiO2[J]. CATALYSIS SCIENCE & TECHNOLOGY,2017,7:2813-2818.
APA Lin, Yaping,Zhu, Yifeng,Pan, Xiulian,&Bao, Xinhe.(2017).Modulating the methanation activity of Ni by the crystal phase of TiO2.CATALYSIS SCIENCE & TECHNOLOGY,7,2813-2818.
MLA Lin, Yaping,et al."Modulating the methanation activity of Ni by the crystal phase of TiO2".CATALYSIS SCIENCE & TECHNOLOGY 7(2017):2813-2818.
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