Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 81, Issue -, Pages 440-450Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2019.09.034
Keywords
VOx/TiO2; Acid; Redox; NO; o-dichlorobenzene
Funding
- Basque Government [GIC-07/67-JT-450-07, S-PE11UN074, BFI-2011-238]
- University of the Basque Country (UPV/EHU) through the UFI [UFI 11/39]
- University of the Basque Country (UPV/EHU) through the Grant for the acquisition and renovation of scientific infrastructure [INF12/37]
- Spanish Ministry of Economy and Competitiveness [CTM2012-31576, CTQ2015-64616-P/MINECO/FEDER]
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The effect of vanadia loading on the acidic and redox properties of VOx/TiO2 catalyst and their role in the simultaneous reduction of NO with NH3 and oxidation of o-DCB is studied. Catalyst samples with different proportions of VOx species, ranging from monomerics to V2O5 octahedral crystals have been prepared. A relationship between VOx species and their acidic and redox properties was found. At low temperature, o-DCB is adsorbed mainly on Lewis sites, associated to monomeric species, but at high temperature, o-DCB and NH3 compete for Bronsted sites associated to polymeric species. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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