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The Potential of Cu-SAPO-44 in the Selective Catalytic Reduction of NOxwith NH3
Xin, Ying1; Wang, Xiao1; Li, Qian1; Ma, Xicheng2; Qi, Yongxin3; Zheng, Lirong4; Anderson, James A.5; Zhang, Zhaoliang1; Zhang XD(张旭东); Liu Y(刘元)
2016
Source PublicationChemCatChem
ISSN1867-3880
EISSN1867-3899
Volume8Issue:24Pages:3740-3745
SubtypeArticle
AbstractNitrogen oxides (NOx) contribute much to acid rain, photochemical smog, and the depletion of tropospheric ozone. A novel, small-pore Cu-exchanged chabazite (Cu-CHA) zeolite, Cu-SAPO-44, was first studied for the selective catalytic reduction of NOx with ammonia (NH3-SCR), and exhibits excellent activity and N-2 selectivity over the wide temperature window from 200-550 degrees C. The Cu content in Cu-SAPO-44 plays a signifi-cant role in the NH3-SCR reactions. Two kinds of isolated Cu2+ species inside the large cages and in the six-membered rings of the CHA structure were verified as the active sites, which are responsible for the low-temperature and high-temperature activity, respectively. Cu-SAPO-44 is shown to be a promising candidate as a SCR catalyst for deNOx with great potential in after-treatment systems for either mobile or stationary sources.
Keywordactive sites EXAFS spectroscopy heterogeneous catalysis nitrogen oxides zeolites
DOI10.1002/cctc.201601159
Indexed BySCI
Language英语
WOS SubjectE8
WOS IDWOS:000397015100009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/260355
Collection粒子天体物理中心
多学科研究中心
Affiliation1.济南大学化学化工学院氟化学与特种化工材料实验室
2.山东大学化学与化工学院
3.School of Material Science and Technology, Shandong University, Jinan
4.中国科学院高能物理研究所
5.Materials and Chemical Engineering Group, School of Engineering, University of Aberdeen, Aberdeen
6.AB24 3UE, United Kingdom
Recommended Citation
GB/T 7714
Xin, Ying,Wang, Xiao,Li, Qian,et al. The Potential of Cu-SAPO-44 in the Selective Catalytic Reduction of NOxwith NH3[J]. ChemCatChem,2016,8(24):3740-3745.
APA Xin, Ying.,Wang, Xiao.,Li, Qian.,Ma, Xicheng.,Qi, Yongxin.,...&刘元.(2016).The Potential of Cu-SAPO-44 in the Selective Catalytic Reduction of NOxwith NH3.ChemCatChem,8(24),3740-3745.
MLA Xin, Ying,et al."The Potential of Cu-SAPO-44 in the Selective Catalytic Reduction of NOxwith NH3".ChemCatChem 8.24(2016):3740-3745.
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