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A superior Ce-W-Ti mixed oxide catalyst for the selective catalytic reduction of NOx with NH3
Shan, Wenpo; Liu, Fudong; He, Hong; Shi, Xiaoyan; Zhang, Changbin
2012
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
ISSN0926-3373
Volume115Pages:100-106
AbstractA superior Ce-W-Ti mixed oxide catalyst prepared by a facile homogeneous precipitation method showed excellent NH3-SCR activity and 100% N-2 selectivity with broad operation temperature window and extremely high resistance to space velocity, which is a very promising catalyst for NOx abatement from diesel engine exhaust. The excellent catalytic performance is associated with the highly dispersed active Ce and promotive W species on TiO2. The introduction of W species could increase the amount of active sites, oxygen vacancies, and Bronsted and Lewis acid sites over the catalyst, which is also beneficial to improve the low temperature activity by facilitating "fast SCR" reaction and enhance both of the high temperature activity and N-2 selectivity simultaneously by inhibiting the unselective oxidation of NH3 at high temperatures. (C) 2011 Elsevier B.V. All rights reserved.
Department大气环境研究室
KeywordCe-w-ti Mixed Oxide Scr Nitrogen Oxides Homogeneous Precipitation Method Diesel Engine Exhaust
Citation statistics
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/7945
Collection大气环境科学实验室
Recommended Citation
GB/T 7714
Shan, Wenpo,Liu, Fudong,He, Hong,et al. A superior Ce-W-Ti mixed oxide catalyst for the selective catalytic reduction of NOx with NH3[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2012,115:100-106.
APA Shan, Wenpo,Liu, Fudong,He, Hong,Shi, Xiaoyan,&Zhang, Changbin.(2012).A superior Ce-W-Ti mixed oxide catalyst for the selective catalytic reduction of NOx with NH3.APPLIED CATALYSIS B-ENVIRONMENTAL,115,100-106.
MLA Shan, Wenpo,et al."A superior Ce-W-Ti mixed oxide catalyst for the selective catalytic reduction of NOx with NH3".APPLIED CATALYSIS B-ENVIRONMENTAL 115(2012):100-106.
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