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题名:
Study of the V2O5-WO3/TiO2 Catalyst Synthesized from Waste Catalyst on Selective Catalytic Reduction of NOx by NH3
作者: Qi, Chunping1,2,3; Bao, Weijun1; Wang, Liguo1; Li, Huiquan1,2,3; Wu, Wenfen1,2
刊名: CATALYSTS
出版日期: 2017-04-01
卷号: 7, 期号:4
关键词: V2O5-WO3/TiO2 catalyst ; leaching ; oxalic acid ; deNO(x) activity
收录类别: SCI
WOS记录号: WOS:000403448000015
DOI: 10.3390/catal7040110
文章类型: Article
英文摘要: 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.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
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
项目资助者: National Natural Science Foundation of China(51574214)
语种: 英语
ISSN号: 2073-4344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ipe.ac.cn/handle/122111/22662
Appears in Collections:湿法冶金清洁生产技术国家工程实验室_期刊论文

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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

Recommended Citation:
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).
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