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Title: A Perspective on the Selective Catalytic Reduction (SCR) of NO with NH3 by Supported V2O5 –WO3/TiO2 Catalysts

Abstract

We report the selective catalytic reduction (SCR) of NOx with NH3 to harmless N2 and H2O plays a crucial role in reducing highly undesirable NOx acid gas emissions from large utility boilers, industrial boilers, municipal waste plants, and incinerators. The supported V2O5 –WO3/TiO2 catalysts have become the most widely used industrial catalysts for these SCR applications since introduction of this technology in the early 1970s. Lastly, this Perspective examines the current fundamental understanding and recent advances of the supported V2O5 –WO3/TiO2 catalyst system: (i) catalyst synthesis, (ii) molecular structures of titaniasupported vanadium and tungsten oxide species, (iii) surface acidity, (iv) catalytic active sites, (v) surface reaction intermediates, (vi) reaction mechanism, (vii) ratedetermining- step, and (viii) reaction kinetics.

Authors:
 [1]; ORCiD logo [1]
  1. Lehigh Univ., Bethlehem, PA (United States). Operando Molecular Spectroscopy & Catalysis Laboratory, Department of Chemical and Biomolecular Engineering
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Understanding and Control of Acid Gas-induced Evolution of Materials for Energy (UNCAGE-ME); Lehigh Univ., Bethlehem, PA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1454677
Grant/Contract Number:  
SC0012577
Resource Type:
Accepted Manuscript
Journal Name:
ACS Catalysis
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2155-5435
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; catalyst; NH3; NO; SCR; TiO2; V2O5; WO3

Citation Formats

Lai, Jun-Kun, and Wachs, Israel E. A Perspective on the Selective Catalytic Reduction (SCR) of NO with NH3 by Supported V2O5 –WO3/TiO2 Catalysts. United States: N. p., 2018. Web. doi:10.1021/acscatal.8b01357.
Lai, Jun-Kun, & Wachs, Israel E. A Perspective on the Selective Catalytic Reduction (SCR) of NO with NH3 by Supported V2O5 –WO3/TiO2 Catalysts. United States. https://doi.org/10.1021/acscatal.8b01357
Lai, Jun-Kun, and Wachs, Israel E. Mon . "A Perspective on the Selective Catalytic Reduction (SCR) of NO with NH3 by Supported V2O5 –WO3/TiO2 Catalysts". United States. https://doi.org/10.1021/acscatal.8b01357. https://www.osti.gov/servlets/purl/1454677.
@article{osti_1454677,
title = {A Perspective on the Selective Catalytic Reduction (SCR) of NO with NH3 by Supported V2O5 –WO3/TiO2 Catalysts},
author = {Lai, Jun-Kun and Wachs, Israel E.},
abstractNote = {We report the selective catalytic reduction (SCR) of NOx with NH3 to harmless N2 and H2O plays a crucial role in reducing highly undesirable NOx acid gas emissions from large utility boilers, industrial boilers, municipal waste plants, and incinerators. The supported V2O5 –WO3/TiO2 catalysts have become the most widely used industrial catalysts for these SCR applications since introduction of this technology in the early 1970s. Lastly, this Perspective examines the current fundamental understanding and recent advances of the supported V2O5 –WO3/TiO2 catalyst system: (i) catalyst synthesis, (ii) molecular structures of titaniasupported vanadium and tungsten oxide species, (iii) surface acidity, (iv) catalytic active sites, (v) surface reaction intermediates, (vi) reaction mechanism, (vii) ratedetermining- step, and (viii) reaction kinetics.},
doi = {10.1021/acscatal.8b01357},
journal = {ACS Catalysis},
number = ,
volume = 8,
place = {United States},
year = {Mon Jun 04 00:00:00 EDT 2018},
month = {Mon Jun 04 00:00:00 EDT 2018}
}

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