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co-effect of Sb and Nb on the SCR performance of the V₂O₅/TiO₂ catalyst

The effect of the Sb and Nb additives on the V₂O₅/TiO₂ catalyst for the selective catalytic reduction (SCR) of NO with NH₃ was investigated. The experimental results show that either Nb or Sb can improve the activity of V₂O₅/TiO₂ catalyst. Higher Nb loading led to higher N₂ selectivity. The co-dopin... Full description

Journal Title: Journal of colloid and interface science 2012, Vol.368(1), pp.406-412
Main Author: Du , Xuesen
Other Authors: Gao , Xiang , Fu , Yincheng , Gao , Feng , Luo , Zhongyang , Cen , Kefa
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0021-9797
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recordid: faoagrisUS201600077289
title: co-effect of Sb and Nb on the SCR performance of the V₂O₅/TiO₂ catalyst
format: Article
creator:
  • Du , Xuesen
  • Gao , Xiang
  • Fu , Yincheng
  • Gao , Feng
  • Luo , Zhongyang
  • Cen , Kefa
subjects:
  • Transmission Electron Microscopy
  • Antimony
  • X-Ray Photoelectron Spectroscopy
  • Nitric Oxide
  • Poisoning
  • Ammonia
  • Additives
  • Catalysts
  • X-Ray Diffraction
  • Acidity
  • Nitrogen
ispartof: Journal of colloid and interface science, 2012, Vol.368(1), pp.406-412
description: The effect of the Sb and Nb additives on the V₂O₅/TiO₂ catalyst for the selective catalytic reduction (SCR) of NO with NH₃ was investigated. The experimental results show that either Nb or Sb can improve the activity of V₂O₅/TiO₂ catalyst. Higher Nb loading led to higher N₂ selectivity. The co-doping of Sb and Nb showed higher improving effect than the single doping of Sb or Nb. The V₂O₅/TiO₂ catalyst doped with Sb and Nb had a better H₂O resistance than the V₂O₅/TiO₂ catalyst. The addition of Sb and Nb also enhance the resistance of the V₂O₅/TiO₂ catalyst to K₂O poisoning. The catalysts were characterized by BET, XRD, TEM, and XPS. The results showed that the active components of V, Sb, and Nb were well interacting with each other. The coexistence of Sb and Nb will enhance the redox ability and surface acidity and thus promote the SCR performance. ; p. 406-412.
language: eng
source:
identifier: ISSN: 0021-9797
fulltext: fulltext
issn:
  • 00219797
  • 0021-9797
url: Link


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titleco-effect of Sb and Nb on the SCR performance of the V₂O₅/TiO₂ catalyst
creatorDu , Xuesen ; Gao , Xiang ; Fu , Yincheng ; Gao , Feng ; Luo , Zhongyang ; Cen , Kefa
ispartofJournal of colloid and interface science, 2012, Vol.368(1), pp.406-412
identifierISSN: 0021-9797
subjectTransmission Electron Microscopy ; Antimony ; X-Ray Photoelectron Spectroscopy ; Nitric Oxide ; Poisoning ; Ammonia ; Additives ; Catalysts ; X-Ray Diffraction ; Acidity ; Nitrogen
descriptionThe effect of the Sb and Nb additives on the V₂O₅/TiO₂ catalyst for the selective catalytic reduction (SCR) of NO with NH₃ was investigated. The experimental results show that either Nb or Sb can improve the activity of V₂O₅/TiO₂ catalyst. Higher Nb loading led to higher N₂ selectivity. The co-doping of Sb and Nb showed higher improving effect than the single doping of Sb or Nb. The V₂O₅/TiO₂ catalyst doped with Sb and Nb had a better H₂O resistance than the V₂O₅/TiO₂ catalyst. The addition of Sb and Nb also enhance the resistance of the V₂O₅/TiO₂ catalyst to K₂O poisoning. The catalysts were characterized by BET, XRD, TEM, and XPS. The results showed that the active components of V, Sb, and Nb were well interacting with each other. The coexistence of Sb and Nb will enhance the redox ability and surface acidity and thus promote the SCR performance. ; p. 406-412.
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descriptionThe effect of the Sb and Nb additives on the V₂O₅/TiO₂ catalyst for the selective catalytic reduction (SCR) of NO with NH₃ was investigated. The experimental results show that either Nb or Sb can improve the activity of V₂O₅/TiO₂ catalyst. Higher Nb loading led to higher N₂ selectivity. The co-doping of Sb and Nb showed higher improving effect than the single doping of Sb or Nb. The V₂O₅/TiO₂ catalyst doped with Sb and Nb had a better H₂O resistance than the V₂O₅/TiO₂ catalyst. The addition of Sb and Nb also enhance the resistance of the V₂O₅/TiO₂ catalyst to K₂O poisoning. The catalysts were characterized by BET, XRD, TEM, and XPS. The results showed that the active components of V, Sb, and Nb were well interacting with each other. The coexistence of Sb and Nb will enhance the redox ability and surface acidity and thus promote the SCR performance. ; p. 406-412.
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abstractThe effect of the Sb and Nb additives on the V₂O₅/TiO₂ catalyst for the selective catalytic reduction (SCR) of NO with NH₃ was investigated. The experimental results show that either Nb or Sb can improve the activity of V₂O₅/TiO₂ catalyst. Higher Nb loading led to higher N₂ selectivity. The co-doping of Sb and Nb showed higher improving effect than the single doping of Sb or Nb. The V₂O₅/TiO₂ catalyst doped with Sb and Nb had a better H₂O resistance than the V₂O₅/TiO₂ catalyst. The addition of Sb and Nb also enhance the resistance of the V₂O₅/TiO₂ catalyst to K₂O poisoning. The catalysts were characterized by BET, XRD, TEM, and XPS. The results showed that the active components of V, Sb, and Nb were well interacting with each other. The coexistence of Sb and Nb will enhance the redox ability and surface acidity and thus promote the SCR performance.
pubElsevier Inc.