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Upgrading V2O5-WO3/TiO2 deNO(x) Catalyst with TiO2-SiO2 Support Prepared from Ti-Bearing Blast Furnace Slag
Tran, Tuyetsuong1,2; Yu, Jian1; Gan, Lina1,2; Guo, Feng1; Phan, Dinhtuan1; Xu, Guangwen1
2016-04-01
Source PublicationCATALYSTS
ISSN2073-4344
Volume6Issue:4Pages:1
AbstractThe study is devoted to developing a rather high-efficiency NH3-SCR (selective catalytic reduction) catalyst for NOx removal using TiO2-SiO2 support made from blast furnace slag. Through adjusting hydrolytic pH value of TiOSO4 solution obtained from acidolysis of slag with 70 wt. % H2SO4, a series of TiO2-SiO2 mixed oxides was prepared to have different mass ratios of TiO2 to SiO2. The supports are further impregnated with V2O5 and WO3 to make the SCR catalysts for NOx removal. Characterizing the catalysts show that silica and unavoidable impurities in support prepared from slag were responsible for maintaining their mesoporous structure and the enhancements in the acidity and reducible form of active species on the catalyst surface, which thus rendered the catalysts to have higher NOx reduction capability than catalyst using commercial TiO2. Furthermore, the low-cost catalyst prepared from slag-based TiO2 support possesses good stability, and strong resistance to SO2 and H2O poisoning, which are beneficial to practical deNO(x) applications.
KeywordBlast Furnace Slag V2o5-wo3/tio2-sio2 Nh3-scr Catalyst Deno(x) Flue Gas
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.3390/catal6040056
Indexed BySCI
Language英语
WOS KeywordSULFURIC-ACID-DECOMPOSITION ; PHOTOCATALYTIC ACTIVITY ; MESOPOROUS TITANIA ; ANATASE TIO2 ; REDUCTION ; NH3 ; NO ; NANOPARTICLES ; PRECIPITATION ; HYDROLYSIS
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationInternational Science and Technology Cooperation Program of China(2013DFA51530) ; Strategic Priority Research Program of Chinese Academy of Sciences(XDA07030300) ; Japan Society for the Promotion of Science (JSPS)(P15758)
WOS IDWOS:000375210900008
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21019
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Tran, Tuyetsuong,Yu, Jian,Gan, Lina,et al. Upgrading V2O5-WO3/TiO2 deNO(x) Catalyst with TiO2-SiO2 Support Prepared from Ti-Bearing Blast Furnace Slag[J]. CATALYSTS,2016,6(4):1.
APA Tran, Tuyetsuong,Yu, Jian,Gan, Lina,Guo, Feng,Phan, Dinhtuan,&Xu, Guangwen.(2016).Upgrading V2O5-WO3/TiO2 deNO(x) Catalyst with TiO2-SiO2 Support Prepared from Ti-Bearing Blast Furnace Slag.CATALYSTS,6(4),1.
MLA Tran, Tuyetsuong,et al."Upgrading V2O5-WO3/TiO2 deNO(x) Catalyst with TiO2-SiO2 Support Prepared from Ti-Bearing Blast Furnace Slag".CATALYSTS 6.4(2016):1.
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