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Pulsed Electrical Discharges Assisted by Dielectric Pellets/Catalysts for Diesel Engine Exhaust Treatment

Rajanikanth, BS and Ravi, V (2002) Pulsed Electrical Discharges Assisted by Dielectric Pellets/Catalysts for Diesel Engine Exhaust Treatment. In: IEEE Transactions on Dielectrics and Electrical Insulation, 9 (4). pp. 616-626.

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Abstract

This paper reports the study on gaseous pollutants (NOx, CO and HC's) using a combination of electric discharge plasma and catalysts. In this study, catalysts being used in conventional catalytic converters of gasoline engine were tried, for the first time, in diesel engine exhaust treatment assisted by electric discharge plasma. Initial studies investigate the effect of packed dielectric materials and catalysts on NOx removal. Both conventional and non-conventional catalysts were used in the studies. With plasma alone, the removal efficiency of oxides of nitrogen was around 75% and with a suitable combination of catalytic reactor the removal efficiency was as high as 90%. Among the catalysts studied, a new catalyst $(CuMnAlO_4)$ was found to be as effective as the conventional expensive catalyst. The formation of byproducts like $N_2O and HNO_3$ have been studied and the results are discussed.

Item Type: Journal Article
Additional Information: Copyright 2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 12 Jan 2006
Last Modified: 19 Sep 2010 04:16
URI: http://eprints.iisc.ernet.in/id/eprint/2004

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