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NO reduction with NH3 over an activated carbon-supported copper oxide catalysts at low temperatures
Zhu, ZP; Liu, ZY; Liu, SJ; Niu, HX; Hu, TD; Liu, T; Xie, YN; Hu TD(胡天斗); Liu T(刘涛); Xie YN(谢亚宁)
2000
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
Volume26Issue:1Pages:#REF!
Corresponding AuthorLiu, ZY (reprint author), Chinese Acad Sci, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China.
SubtypeArticle
AbstractNO reduction with NH3 over activated carbon-supported copper oxide (CuO/AC) catalyst was studied at low temperatures (30-250 degrees C). The attention was focused on the effects of preparation parameters, reaction temperature and SO2 on the structure and activity of the catalyst. The catalysts show high activities for NO reduction with NH3 in the presence of O-2 at temperatures above 180 degrees C and are gradually deactivated at temperatures below 180 degrees C. Cu2O exists in the catalyst and results in low initial activity but it is easily oxidized into active CuO by O-2 during the NO-NH3-O-2 reaction. Calcination temperature and Cu loading of the catalyst strongly influence the activity and structure of the catalyst. The catalyst with 5 wt% Cu loading and calcined at 250 degrees C shows the highest activity. The activities of the catalysts with higher Cu loadings and/or calcined at higher temperatures are relatively low, mainly derived from aggregation of copper species. The CuO/AC catalyst is greatly deactivated by SO2 due to the formation of CuSO4 which is inactive at low temperatures. (C) 2000 Elsevier Science B.V. All rights reserved.
KeywordCuO/AC catalyst nitric oxide reduction ammonia EXAFS
Subject AreaChemistry; Engineering
DOI10.1016/S0926-3373(99)00144-7
Indexed BySCI
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000085909100004
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/225573
Collection多学科研究中心
Recommended Citation
GB/T 7714
Zhu, ZP,Liu, ZY,Liu, SJ,et al. NO reduction with NH3 over an activated carbon-supported copper oxide catalysts at low temperatures[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2000,26(1):#REF!.
APA Zhu, ZP.,Liu, ZY.,Liu, SJ.,Niu, HX.,Hu, TD.,...&谢亚宁.(2000).NO reduction with NH3 over an activated carbon-supported copper oxide catalysts at low temperatures.APPLIED CATALYSIS B-ENVIRONMENTAL,26(1),#REF!.
MLA Zhu, ZP,et al."NO reduction with NH3 over an activated carbon-supported copper oxide catalysts at low temperatures".APPLIED CATALYSIS B-ENVIRONMENTAL 26.1(2000):#REF!.
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