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Limited nanospace for growth of Ni-Mn composite oxide nanocrystals with enhanced catalytic activity for deep oxidation of benzene
Tang, Wenxiang1,2; Li, Jiaqi1,2; Wu, Xiaofeng1,2; Chen, Yunfa1
2015-12-01
Source PublicationCATALYSIS TODAY
ISSN0920-5861
Volume258Issue:DECPages:148-155
AbstractA nanocasting method was applied to synthesize porous manganese oxide, nickel oxide and manganese nickel mixed oxide successfully. The growth of oxide nanocrystals took place in the limited nanospace provided by SBA-15 template and the resulted materials showed a porous structure with high specific surface area. All catalysts were characterized by XRD, SEM, TEM, BET, XPS, H-2-TPR techniques and further tested for total oxidation of benzene. The mixed oxide with a higher surface area (162.6 m(2) g(-1)) exhibited the best activity (T-90% = 249 degrees C at a high space velocity of 120,000 mL g(-1) h(-1)), which is much higher than that of the pure oxide. The formation of Mn-Ni solid solution oxide prevented the growth of nanocrystals and the strong synergistic effect gave rise to more adsorbed oxygen species and better low temperature reducibility, which make a great contribution to its superior activity. (C) 2015 Elsevier B.V. All rights reserved.
KeywordLimited Nanospace Synergistic Effect Mn-ni Oxide Catalytic Oxidation Benzene
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.cattod.2015.04.023
Indexed BySCI
Language英语
WOS KeywordVOLATILE ORGANIC-COMPOUNDS ; LOW-TEMPERATURE OXIDATION ; MIXED-OXIDE ; CARBON-MONOXIDE ; AIR-QUALITY ; COMBUSTION ; TOLUENE ; REMOVAL ; NANORODS ; NANOCATALYSTS
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
Funding Organizationstrategic project of Science and Technology of Chinese Academy of Sciences(XDB05050000) ; 863 Hi-tech Research and Development Program of China(2012AA062702) ; National Natural Science Foundation of China(51272253 ; 51002154)
WOS IDWOS:000363424200021
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19741
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tang, Wenxiang,Li, Jiaqi,Wu, Xiaofeng,et al. Limited nanospace for growth of Ni-Mn composite oxide nanocrystals with enhanced catalytic activity for deep oxidation of benzene[J]. CATALYSIS TODAY,2015,258(DEC):148-155.
APA Tang, Wenxiang,Li, Jiaqi,Wu, Xiaofeng,&Chen, Yunfa.(2015).Limited nanospace for growth of Ni-Mn composite oxide nanocrystals with enhanced catalytic activity for deep oxidation of benzene.CATALYSIS TODAY,258(DEC),148-155.
MLA Tang, Wenxiang,et al."Limited nanospace for growth of Ni-Mn composite oxide nanocrystals with enhanced catalytic activity for deep oxidation of benzene".CATALYSIS TODAY 258.DEC(2015):148-155.
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