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Catalytic removal of benzene over CeO2-MnOx composite oxides prepared by hydrothermal method
Wang, Zhen1; Shen, Genli2,3; Li, Jiaqi2,3; Liu, Haidi2; Wang, Qi1; Chen, Yunfa2
2013-07-17
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
Volume138Issue:0Pages:253-259
AbstractA series of CeO2-MnOx composite oxides were synthesized through hydrothermal method and the complete catalytic oxidation of benzene were examined. The effects of the Ce-at/Mn-at atomic ratio on the features of catalyst structure and catalytic behavior were researched. The results exhibited that the catalytic properties of CeO2-MnOx composite oxides were higher than pure CeO2 or MnOx. When the Ceat/Mnat ratio was 3:7, the catalytic activity reached the best. By means of testing, the data revealed that the synergistic effects existed in the composite oxides, which resulted in the enhancement of catalytic abilities. In the main phase, MnOx provided available oxygen species and CeO2 enhanced oxygen mobility. In addition, the nature of oxygen vacancy of catalysts was also studied through positron annihilation spectrum. The results showed that the concentration of oxygen vacancy for CeO2-MnOx composite oxides changed comparing with pure CeO2 or MnOx, which also caused the activity differences over benzene. (C) 2013 Elsevier B.V. All rights reserved.
KeywordCeo2-mnox Composite Oxides Oxygen Vacancy Synergistic Effect Benzene Oxidation
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordVOLATILE ORGANIC-COMPOUNDS ; COMPLETE OXIDATION ; LOW-TEMPERATURES ; WET OXIDATION ; CO OXIDATION ; CERIUM OXIDE ; O-XYLENE ; COMBUSTION ; PALLADIUM ; TOLUENE
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000319087900030
Citation statistics
Cited Times:131[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13558
Collection研究所(批量导入)
Affiliation1.Natl Ctr Nanosci & Technol, CAS Key Lab Standardizat & Measurement Nanotechno, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhen,Shen, Genli,Li, Jiaqi,et al. Catalytic removal of benzene over CeO2-MnOx composite oxides prepared by hydrothermal method[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2013,138(0):253-259.
APA Wang, Zhen,Shen, Genli,Li, Jiaqi,Liu, Haidi,Wang, Qi,&Chen, Yunfa.(2013).Catalytic removal of benzene over CeO2-MnOx composite oxides prepared by hydrothermal method.APPLIED CATALYSIS B-ENVIRONMENTAL,138(0),253-259.
MLA Wang, Zhen,et al."Catalytic removal of benzene over CeO2-MnOx composite oxides prepared by hydrothermal method".APPLIED CATALYSIS B-ENVIRONMENTAL 138.0(2013):253-259.
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