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Ce-Al Mixed Oxide with High Thermal Stability for Diesel Soot Combustion
Sun Shumin1,2; Chu Wenling1; Yang Weishen1; Yang WS(杨维慎); Chu WL(楚文玲)
KeywordCeria Alumina Thermal Stability Diffusion Barrier Soot Combustion
Source PublicationCHINESE JOURNAL OF CATALYSIS
2009-07-01
Volume30Issue:7Pages:685-689
Indexed BySCI
SubtypeArticle
Department5
Funding Project504
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordPEROVSKITE-TYPE OXIDES ; OXYGEN STORAGE CAPACITY ; SIMULTANEOUS REMOVAL ; CATALYTIC PERFORMANCE ; CERIA-ZIRCONIA ; OXIDATION ; CEO2-ZRO2 ; NOX ; TEMPERATURE ; POTASSIUM
AbstractA series of Al-doped CeO(2) catalysts (n-AlCeO(2), where n represents the molar ratio of Cc to Al in the samples) were prepared by a citric acid complexation-combustion method and used for soot combustion. There is a strong interaction between CeO(2) and Al(2)O(3) in the mixed oxide, and some aluminum can be incorporated into the CeO(2) lattice forming a solid solution. The existence of gamma-Al(2)O(3) in the mixed oxide obviously improved the thermal stability of CeO(2) as a "diffusion barrier", which induced a higher catalytic activity of the mixed oxides compared with the pure CeO(2). For the Al-containing samples, the mobility of surface lattice oxygen seems to play an important role in soot combustion. The 30-AlCeO(2) sample exhibited the highest soot combustion activity with the temperature corresponding to the CO(2) + CO peak of 356 degrees C.
Language英语
URL查看原文
WOS IDWOS:000268922300018
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/101969
Collection中国科学院大连化学物理研究所
Corresponding AuthorYang WS(杨维慎); Chu WL(楚文玲)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sun Shumin,Chu Wenling,Yang Weishen,et al. Ce-Al Mixed Oxide with High Thermal Stability for Diesel Soot Combustion[J]. CHINESE JOURNAL OF CATALYSIS,2009,30(7):685-689.
APA Sun Shumin,Chu Wenling,Yang Weishen,杨维慎,&楚文玲.(2009).Ce-Al Mixed Oxide with High Thermal Stability for Diesel Soot Combustion.CHINESE JOURNAL OF CATALYSIS,30(7),685-689.
MLA Sun Shumin,et al."Ce-Al Mixed Oxide with High Thermal Stability for Diesel Soot Combustion".CHINESE JOURNAL OF CATALYSIS 30.7(2009):685-689.
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