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Sulfur poisoning resistant mesoporous Mn-base catalyst for low-temperature SCR of NO with NH3
Yu, Jian1; Guo, Feng2; Wang, Yingli1; Zhu, Jianhong3; Liu, Yunyi2; Su, Fabing1; Gao, Shiqiu1; Xu, Guangwen1; Gao, SQ
2010-03-12
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume95Issue:1-2Pages:160-168
AbstractMesoporous MnO2-Fe2O(3)-CeO2-TiO2 was prepared with sot-gel method and demonstrated to have good low-temperature activity and sulfur-poisoning resistance for selective catalytic reduction (SCR) of NO with NH3 in SO2-containing gases. In comparison with this, the catalyst with the same composition but made according to the conventional impregnation method exhibited obviously lower SO2-poisoning resistance and selectivity to the formation of N-2 in the SCR reactions. FFIR analysis of the spent catalysts after SCR reactions for 16 h and 60 h in a SO2-contaning gas demonstrated that there was little difference in the amount of deposited ammonium sulfate over the mesoporous catalyst between the two cases. The mesopore channels existing in the mesoporous catalyst enabled probably a dynamic balance between the formation and decomposition of ammonium sulfate in SCR reactions. This concern was justified through comparing the N-2 adsorptions and XPS spectra for the catalysts made with the impregnation and sot-gel methods. The article clarified as well the facilitation effects of introducing Ce and Fe into the mesoporous catalyst on activity, selectivity and SO2-poisoning resistance. Crown Copyright 2009 Published by Elsevier B.V. All rights reserved.
KeywordMesoporous Catalyst Manganese Low-temperature Scr So2 Poisoning Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.apcatb.2009.12.023
Indexed BySCI
Language英语
WOS KeywordMANGANESE OXIDE CATALYSTS ; OXYGEN-RICH CONDITIONS ; REDUCTION ; AMMONIA ; METAL ; TIO2 ; SO2 ; OXIDATION ; MECHANISM ; IRON
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000276005300018
Citation statistics
Cited Times:151[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6182
Collection多相复杂系统国家重点实验室
Corresponding AuthorGao, SQ
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Shenyang Inst Chem Technol, Sch Chem Engn, Shenyang 110142, Liaoning, Peoples R China
3.Xiangtan Univ Hunan Prov, Inst Chem Engn, Xiangtan 411105, Peoples R China
Recommended Citation
GB/T 7714
Yu, Jian,Guo, Feng,Wang, Yingli,et al. Sulfur poisoning resistant mesoporous Mn-base catalyst for low-temperature SCR of NO with NH3[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2010,95(1-2):160-168.
APA Yu, Jian.,Guo, Feng.,Wang, Yingli.,Zhu, Jianhong.,Liu, Yunyi.,...&Gao, SQ.(2010).Sulfur poisoning resistant mesoporous Mn-base catalyst for low-temperature SCR of NO with NH3.APPLIED CATALYSIS B-ENVIRONMENTAL,95(1-2),160-168.
MLA Yu, Jian,et al."Sulfur poisoning resistant mesoporous Mn-base catalyst for low-temperature SCR of NO with NH3".APPLIED CATALYSIS B-ENVIRONMENTAL 95.1-2(2010):160-168.
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