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The enhance effect of atomic Cl in CuCl2/TiO2 catalyst for Hg-0 catalytic oxidation
Alternative TitleChem. Eng. J.
Zhou, Xuan; Xu, Wenqing; Wang, Hairui; Tong, Li; Qi, Hao; Zhu, Tingyu
2014-10-15
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume254Issue:OCT.Pages:82-87
AbstractThe effect of flue gas components on the Hg-0 oxidation efficiency of CuO/TiO2 and CuCl2/TiO2 catalysts was investigated. The results indicated that HCl and O-2 in the atmosphere positively affect Hg-0 oxidation, and HCl is more effective than O-2. Meanwhile, atomic Cl and O in the catalyst also play crucial roles in the Hg-0 oxidation process. Thermogravimetry (TG), X-ray Diffractograms (XRD), Brunauer-Emmet-Teller (BET) and X-ray photoelectron spectroscopy (XPS) technologies were adopted to characterize the raw CuCl2/Tio(2) catalyst. The Hg-0 oxidation mechanisms over CuO/TiO2 and CuCl2/TiO2 catalysts were discussed. Both HCl and O-2 gases were found to be necessary to revert to CuO or CuCl2 via an intermediate step. The CuCl2/TiO2 catalyst has a potential industrial application because it has a certain oxidation activity in the absence of HCl, high stability and a large temperature window. (C) 2014 Elsevier B.V. All rights reserved.; The effect of flue gas components on the Hg-0 oxidation efficiency of CuO/TiO2 and CuCl2/TiO2 catalysts was investigated. The results indicated that HCl and O-2 in the atmosphere positively affect Hg-0 oxidation, and HCl is more effective than O-2. Meanwhile, atomic Cl and O in the catalyst also play crucial roles in the Hg-0 oxidation process. Thermogravimetry (TG), X-ray Diffractograms (XRD), Brunauer-Emmet-Teller (BET) and X-ray photoelectron spectroscopy (XPS) technologies were adopted to characterize the raw CuCl2/Tio(2) catalyst. The Hg-0 oxidation mechanisms over CuO/TiO2 and CuCl2/TiO2 catalysts were discussed. Both HCl and O-2 gases were found to be necessary to revert to CuO or CuCl2 via an intermediate step. The CuCl2/TiO2 catalyst has a potential industrial application because it has a certain oxidation activity in the absence of HCl, high stability and a large temperature window. (C) 2014 Elsevier B.V. All rights reserved.
KeywordMercury Catalyst Hci Atomic Cl Mechanism
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.cej.2014.05.093
URL查看原文
Indexed BySCI
Language英语
WOS KeywordELEMENTAL MERCURY-VAPOR ; FLUE-GAS ; PHOTOCHEMICAL REMOVAL ; ACTIVATED CARBON ; THIEF PROCESS ; COMBUSTION ; NOX ; ALPHA-FE2O3 ; SPECIATION ; OXIDES
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000340688100010
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/11636
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Res Ctr Proc Pollut Control, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Xuan,Xu, Wenqing,Wang, Hairui,et al. The enhance effect of atomic Cl in CuCl2/TiO2 catalyst for Hg-0 catalytic oxidation[J]. CHEMICAL ENGINEERING JOURNAL,2014,254(OCT.):82-87.
APA Zhou, Xuan,Xu, Wenqing,Wang, Hairui,Tong, Li,Qi, Hao,&Zhu, Tingyu.(2014).The enhance effect of atomic Cl in CuCl2/TiO2 catalyst for Hg-0 catalytic oxidation.CHEMICAL ENGINEERING JOURNAL,254(OCT.),82-87.
MLA Zhou, Xuan,et al."The enhance effect of atomic Cl in CuCl2/TiO2 catalyst for Hg-0 catalytic oxidation".CHEMICAL ENGINEERING JOURNAL 254.OCT.(2014):82-87.
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