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Study of the V2O5-WO3/TiO2 Catalyst Synthesized from Waste Catalyst on Selective Catalytic Reduction of NOx by NH3
Qi, Chunping1,2,3; Bao, Weijun1; Wang, Liguo1; Li, Huiquan1,2,3; Wu, Wenfen1,2
2017-04-01
Source PublicationCATALYSTS
ISSN2073-4344
Volume7Issue:4
AbstractV2O5-WO3/TiO2 catalysts were synthesized from waste selective catalytic reduction (SCR) catalyst through oxalic acid leaching and impregnating with various V2O5 mass loadings. The denitration (deNO(x)) activity and physiochemical properties of the catalysts were investigated. All the catalysts were characterized by N-2 adsorption/desorption, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and H-2-temperature programmed reduction. The evaluation result revealed that the deNOx activity of newly synthesized catalyst with 1.0% V2O5 was almost recovered to the level of fresh catalyst, with NO conversion being recovered to 91% at 300 C-omicron, and it also showed a good resistance to SO2 and H2O. The characterization results showed that the decrease of impurities, partial recovery of the V4+/V5+ ratio, and increased reducibility were mainly responsible for the recovery of catalytic activity.
KeywordV2o5-wo3/tio2 Catalyst Leaching Oxalic Acid Deno(x) Activity
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.3390/catal7040110
Indexed BySCI
Language英语
WOS KeywordVANADIA-TITANIA CATALYSTS ; V2O5/WO3-TIO2 SCR CATALYSTS ; NITRIC-OXIDE ; V2O5/TIO2 CATALYST ; NH3-SCR CATALYSTS ; REGENERATION ; DEACTIVATION ; POTASSIUM ; MECHANISM ; AMMONIA
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Natural Science Foundation of China(51574214)
WOS IDWOS:000403448000015
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22662
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100090, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, Sinodanish Ctr Educ & Res, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Qi, Chunping,Bao, Weijun,Wang, Liguo,et al. Study of the V2O5-WO3/TiO2 Catalyst Synthesized from Waste Catalyst on Selective Catalytic Reduction of NOx by NH3[J]. CATALYSTS,2017,7(4).
APA Qi, Chunping,Bao, Weijun,Wang, Liguo,Li, Huiquan,&Wu, Wenfen.(2017).Study of the V2O5-WO3/TiO2 Catalyst Synthesized from Waste Catalyst on Selective Catalytic Reduction of NOx by NH3.CATALYSTS,7(4).
MLA Qi, Chunping,et al."Study of the V2O5-WO3/TiO2 Catalyst Synthesized from Waste Catalyst on Selective Catalytic Reduction of NOx by NH3".CATALYSTS 7.4(2017).
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