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CuO/TiO2 catalysts for gas-phase Hg-0 catalytic oxidation
Alternative TitleChem. Eng. J.
Xu, Wenqing; Wang, Hairui; Zhou, Xuan; Zhu, Tingyu
2014-05-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume243Issue:1Pages:380-385
AbstractCuO/TiO2 catalysts prepared by an impregnation method were studied to determine their efficiencies of mercury oxidation in the simulated flue gas. In this study, 7% CuO/TiO2 was found to be an optimal catalyst with an oxidation efficiency of over 98% at temperatures in the range of 50-300 degrees C. X-ray diffracto-grams (XRD), Brunauer-Emmet-Teller (BET) measurements, transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were used to characterize the catalysts; the results indicated the CuO was well-dispersed on the surface of TiO2 and that Cu2+ was the primary Cu species contributing to Hg-0 oxidation. HCl was the most effective flue gas component responsible for the Hg-0 oxidation. Also, 5-ppm HCl resulted in 100% Hg-0 oxidation under the experimental conditions. The mechanism of Hg-0 oxidation was also investigated. (C) 2013 Elsevier B.V. All rights reserved.; CuO/TiO2 catalysts prepared by an impregnation method were studied to determine their efficiencies of mercury oxidation in the simulated flue gas. In this study, 7% CuO/TiO2 was found to be an optimal catalyst with an oxidation efficiency of over 98% at temperatures in the range of 50-300 degrees C. X-ray diffracto-grams (XRD), Brunauer-Emmet-Teller (BET) measurements, transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were used to characterize the catalysts; the results indicated the CuO was well-dispersed on the surface of TiO2 and that Cu2+ was the primary Cu species contributing to Hg-0 oxidation. HCl was the most effective flue gas component responsible for the Hg-0 oxidation. Also, 5-ppm HCl resulted in 100% Hg-0 oxidation under the experimental conditions. The mechanism of Hg-0 oxidation was also investigated. (C) 2013 Elsevier B.V. All rights reserved.
KeywordHg-0 Cuo/tio2 Catalytic Oxidation Hcl Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2013.12.014
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCOMBUSTION FLUE-GAS ; MERCURY OXIDATION ; ELEMENTAL MERCURY ; COAL-COMBUSTION ; SCR CATALYST ; LOW-TEMPERATURE ; HCL OXIDATION ; POWER-PLANTS ; REMOVAL ; EMISSIONS
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000333795100043
Citation statistics
Cited Times:84[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11000
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Res Ctr Proc Pollut Control, Natl Engn Lab Hydromet Cleaner Prod Technol, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Xu, Wenqing,Wang, Hairui,Zhou, Xuan,et al. CuO/TiO2 catalysts for gas-phase Hg-0 catalytic oxidation[J]. CHEMICAL ENGINEERING JOURNAL,2014,243(1):380-385.
APA Xu, Wenqing,Wang, Hairui,Zhou, Xuan,&Zhu, Tingyu.(2014).CuO/TiO2 catalysts for gas-phase Hg-0 catalytic oxidation.CHEMICAL ENGINEERING JOURNAL,243(1),380-385.
MLA Xu, Wenqing,et al."CuO/TiO2 catalysts for gas-phase Hg-0 catalytic oxidation".CHEMICAL ENGINEERING JOURNAL 243.1(2014):380-385.
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