Experimental Study On NO Pre-Oxidation In C3H6/NO/N2/O2 ...

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Abstract:

By using self-designed non-thermal plasma reactor, the influences of discharge power, initial concentration of C3H6 and O2 concentration on NO pro-oxidation in C3H6/NO/N2/O2 mixture were studied. The obtained results indicate that with the increasing of discharge power, NO2/NOx ratio grows firstly and then decreases after reaching a peak value, while NOx conversion efficiency and N2O concentration gradually rise. Increasing initial concentration of C3H6 or O2 concentration would help to enhance NO oxidation efficiency. With the same discharge power, NOx conversion efficiency grows with the increasing of C3H6 initial concentration while reduces with the increasing of O2 concentration. Controlling the concentration of C3H6 and O2 in exhaust gas can lead the NO2/NOx ratio to reach 50%, which is benefit to NOx conversion with SCR system.

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Periodical:

Advanced Materials Research (Volumes 712-715)

Pages:

590-596

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.712-715.590

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Online since:

June 2013

Authors:

Xiao Hua Li, Xing Wei, Yi Xi Cai, Wen He Han, Kang Hua Li

Keywords:

NO2/NOx Ratio, Non-Thermal Plasma, NOx Conversion Efficiency, Pre-Oxidation

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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