Title
The effect of <tex>$O_{2}$</tex> in a humid <tex>$O_{2}/N_{2}/NO_{x}$</tex> gas mixture on <tex>$NO_{x}$</tex> and <tex>$N_{2}O$</tex> remediation by an atmospheric pressure dielectric barrier discharge The effect of <tex>$O_{2}$</tex> in a humid <tex>$O_{2}/N_{2}/NO_{x}$</tex> gas mixture on <tex>$NO_{x}$</tex> and <tex>$N_{2}O$</tex> remediation by an atmospheric pressure dielectric barrier discharge
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Weinheim ,
Subject
Physics
Chemistry
Source (journal)
Plasma processes and polymers. - Weinheim
Volume/pages
9(2012) :7 , p. 652-689
ISSN
1612-8850
ISI
000306279500005
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A numerical model for NxOy remediation in humid air plasma produced with a dielectric barrier discharge at atmospheric pressure is presented. Special emphasis is given to NO2 and N2O reduction with the decrease of O2 content in the feedstock gas. A detailed reaction mechanism including electronic and ionic processes, as well as the contribution of radicals and excited atomic/molecular species is proposed. The temporal evolution of the densities of NO, NO2 and N2O species, and some other by-products, is analyzed, and the major pathways for the NxOy remediation are discussed for one pulse. Subsequently, simulations are presented for a multi-pulses case, where three O2 contents are tested for optimization of the remediation process. It is found that when the gas mixture O2/N2/H2O/NOx has no initial O2 content, the best NOx and N2O remediation is achieved.
E-info
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