Inhibition effect of HBr over a commercial V2O5-WO3/TiO2 catalyst in a NH3-SCR process
Yang, Yang1,3; Xu, Wenqing1,2; Wu, Yinghong1,3; Wang, Jian1; Zhu, Tingyu1,2
2017-05-05
发表期刊CATALYSIS COMMUNICATIONS
ISSN1566-7367
卷号94页码:82-85
摘要Although HBr promotes Hg-0 oxidation over the V2O5-WO3/TiO2 catalyst, it possibly influences the catalyst DeNO(x) activity. NH3-SCR experiments were conducted over a commercial V2O5-WO3/TiO2 catalyst in the presence of HBr. NO conversion obviously decreases in the low temperature range (i.e., <300 degrees C). XPS analysis suggests that HBr reacted with the surface vanadium species, increasing the amount of Br species and V4+ species. In situ FTIR study reveals that HBr adsorbed on the catalyst surface and subsequently reacted with V=0 species which served as active sites in the SCR reaction, thus resulting in the inhibition effect for the DeNO(x) activity. (C) 2017 Elsevier B.V. All rights reserved.
关键词Inhibition Effect Nh3-scr Hbr In-situ Ftir Hg-0 Oxidation
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.catcom.2017.01.027
收录类别SCI
语种英语
关键词[WOS]IN-SITU DRIFTS ; MERCURY OXIDATION ; NITRIC-OXIDE ; FLUE-GAS ; REDUCTION SCR ; AMMONIA ; NO ; COAL ; MECHANISM ; VANADIA/TITANIA
WOS研究方向Chemistry
WOS类目Chemistry, Physical
项目资助者National Basic Research Program (973) of China(2013CB430005) ; National Key Research Program Pilot Project of China(2016YFC0204103)
WOS记录号WOS:000399852600019
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22822
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Res Ctr Proc Pollut Control, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Urban Environm, Ctr Excellence Reg Atmospher Environm, Xiamen 361021, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Yang, Yang,Xu, Wenqing,Wu, Yinghong,et al. Inhibition effect of HBr over a commercial V2O5-WO3/TiO2 catalyst in a NH3-SCR process[J]. CATALYSIS COMMUNICATIONS,2017,94:82-85.
APA Yang, Yang,Xu, Wenqing,Wu, Yinghong,Wang, Jian,&Zhu, Tingyu.(2017).Inhibition effect of HBr over a commercial V2O5-WO3/TiO2 catalyst in a NH3-SCR process.CATALYSIS COMMUNICATIONS,94,82-85.
MLA Yang, Yang,et al."Inhibition effect of HBr over a commercial V2O5-WO3/TiO2 catalyst in a NH3-SCR process".CATALYSIS COMMUNICATIONS 94(2017):82-85.
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