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Energy deposition effect on the NOx remediation in oxidative media using atmospheric non thermal plasmas

Published online by Cambridge University Press:  22 February 2006

A. Khacef ,
J. M. Cormier  and
J. M. Pouvesle
A. Khacef*
Affiliation:
Groupe de Recherche sur l'Énergétique des Milieux Ionisés, GREMI – Polytech'Orléans, 14 rue d'Issoudun, BP 6744, 45067 Orléans Cedex 2, France
J. M. Cormier
Affiliation:
Groupe de Recherche sur l'Énergétique des Milieux Ionisés, GREMI – Polytech'Orléans, 14 rue d'Issoudun, BP 6744, 45067 Orléans Cedex 2, France
J. M. Pouvesle
Affiliation:
Groupe de Recherche sur l'Énergétique des Milieux Ionisés, GREMI – Polytech'Orléans, 14 rue d'Issoudun, BP 6744, 45067 Orléans Cedex 2, France
*
[email protected]
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Abstract

Dielectric barrier discharges (DBDs) have been investigated under a wide range of experimental conditions (pulsed and sinusoidal excitation, input energy, frequency, and residence time) to remediate NOx from atmospheric O2 rich gas streams. In a given reactor under identical gas composition and equivalent energy density deposition, results show that the main parameter which controls the efficiency of the plasma process is the energy deposition mode. For example, in a pulsed DBD processing at energy density deposition of 30 J/L, 25% of NOx and 40% of C3H6 were converted at 35 mJ/pulse whereas, at 195 mJ/pulse these values were 0% and 15%, respectively. Furthermore, significantly different end products were observed when changing the nature of electrical excitation.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 33 , Issue 3 , March 2006 , pp. 195 - 198
Copyright
© EDP Sciences, 2006

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