ICCAS OpenIR
CeO2-WO3 Mixed Oxides for the Selective Catalytic Reduction of NOx by NH3 Over a Wide Temperature Range
Chen, Liang1,2,3; Li, Junhua1,4; Ablikim, Wijdan1; Wang, Jun1; Chang, Huazhen1; Ma, Lei1; Xu, Jiayu1; Ge, Maofa3; Arandiyan, Hamidreza1
2011-12-01
Source PublicationCATALYSIS LETTERS
ISSN1011-372X
Volume141Issue:12Pages:1859-1864
AbstractA series of cerium-tungsten oxide catalysts was prepared by the co-precipitation method and was evaluated for the selective catalytic reduction of NOx by ammonia (NH3-SCR) over a wide temperature range. These catalysts were characterized by BET, XRD, XPS and H-2-TPR analyses. The experimental studies demonstrated that, among cerium-tungsten oxides, CeO2-WO3 with a Ce/W molar ratio of 3/2 exhibited the best activity toward NH3SCR reactions, N-2 selectivity and SO2 durability over a broad temperature range of 175-500 degrees C at a space velocity of 47,000 h(-1). The strong interaction between Ce and W could be the main factor leading to the high activity of the CeO2-WO3 mixed oxide catalyst.
KeywordNox Scr Ceo2-wo3 Interaction Lattice Nh3 So2
DOI10.1007/s10562-011-0701-4
Indexed BySCI
Language英语
WOS IDWOS:000299919300018
PublisherSPRINGER
Citation statistics
Cited Times:86[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71364
Collection中国科学院化学研究所
Corresponding AuthorLi, Junhua
Affiliation1.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China
2.CPI Yuanda Envirom Protect Engn Co Ltd, Chongqing, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci BNLMS, Beijing 100190, Peoples R China
4.Tsinghua Univ, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
Recommended Citation
GB/T 7714
Chen, Liang,Li, Junhua,Ablikim, Wijdan,et al. CeO2-WO3 Mixed Oxides for the Selective Catalytic Reduction of NOx by NH3 Over a Wide Temperature Range[J]. CATALYSIS LETTERS,2011,141(12):1859-1864.
APA Chen, Liang.,Li, Junhua.,Ablikim, Wijdan.,Wang, Jun.,Chang, Huazhen.,...&Arandiyan, Hamidreza.(2011).CeO2-WO3 Mixed Oxides for the Selective Catalytic Reduction of NOx by NH3 Over a Wide Temperature Range.CATALYSIS LETTERS,141(12),1859-1864.
MLA Chen, Liang,et al."CeO2-WO3 Mixed Oxides for the Selective Catalytic Reduction of NOx by NH3 Over a Wide Temperature Range".CATALYSIS LETTERS 141.12(2011):1859-1864.
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