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
发表期刊CATALYSTS
ISSN2073-4344
卷号7期号:4
摘要V2O5-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.
关键词V2o5-wo3/tio2 Catalyst Leaching Oxalic Acid Deno(x) Activity
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.3390/catal7040110
收录类别SCI
语种英语
关键词[WOS]VANADIA-TITANIA CATALYSTS ; V2O5/WO3-TIO2 SCR CATALYSTS ; NITRIC-OXIDE ; V2O5/TIO2 CATALYST ; NH3-SCR CATALYSTS ; REGENERATION ; DEACTIVATION ; POTASSIUM ; MECHANISM ; AMMONIA
WOS研究方向Chemistry
WOS类目Chemistry, Physical
项目资助者National Natural Science Foundation of China(51574214)
WOS记录号WOS:000403448000015
引用统计
被引频次:6[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/122111/22662
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, 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
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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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