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Catalytic oxidation of benzene over Ce-Mn oxides synthesized by flame spray pyrolysis
Liu, Gang1,2; Yue, Renliang1; Jia, Yi1,2; Ni, Yong1; Yang, Jie1; Liu, Haidi1; Wang, Zhen1,2; Wu, Xiaofeng1; Chen, Yunfa1
Source PublicationPARTICUOLOGY
AbstractFlame spray pyrolysis (FSP) was utilized to synthesize Ce-Mn oxides in one step for catalytic oxidation of benzene. Cerium acetate and manganese acetate were used as precursors. The materials synthesized were characterized using X-ray diffraction (XRD), N-2 adsorption, X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), Raman spectroscopy, and H-2-temperature programmed reduction (H-2-TPR) and their benzene catalytic oxidation behavior was evaluated. Mn ions were evidenced in multiple chemical states. Crystalline Ce-Mn oxides consist of particles with size <40 nm and specific surface areas (SSA) of 20-50 m(2)/g. Raman spectrums and H-2-TPR results indicated the interaction between cerium and manganese oxides. Flame-made 12.5%-Ce-Mn oxide exhibited excellent catalytic activity at relatively low temperatures (T95 about 260 degrees C) compared to other Ce-Mn oxides with different ceriumto-manganese ratios. Redox mechanism and strong interaction conform to structure analysis that Ce-Mn strong interaction formed during the high temperature flame process and the results were used to explain catalytic oxidation of benzene.(C) 2013 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
KeywordFlame Spray Pyrolysis Catalytic Oxidation Vocs Ce-mn Oxide
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
WOS IDWOS:000321403900013
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Gang,Yue, Renliang,Jia, Yi,et al. Catalytic oxidation of benzene over Ce-Mn oxides synthesized by flame spray pyrolysis[J]. PARTICUOLOGY,2013,11(4):454-459.
APA Liu, Gang.,Yue, Renliang.,Jia, Yi.,Ni, Yong.,Yang, Jie.,...&Chen, Yunfa.(2013).Catalytic oxidation of benzene over Ce-Mn oxides synthesized by flame spray pyrolysis.PARTICUOLOGY,11(4),454-459.
MLA Liu, Gang,et al."Catalytic oxidation of benzene over Ce-Mn oxides synthesized by flame spray pyrolysis".PARTICUOLOGY 11.4(2013):454-459.
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