Nonthermal-Plasma-Promoted Catalysis for the Removal of NOx From a Stationary Diesel-Engine Exhaust

Srinivasan, AD and Rajanikanth, BS (2007) Nonthermal-Plasma-Promoted Catalysis for the Removal of NOx From a Stationary Diesel-Engine Exhaust. In: IEEE Transactions on Industry Applications, 43 (6). pp. 1507-1514.

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Abstract

A detailed study on the removal of oxides of nitrogen (NOx) from the exhaust of a stationary diesel engine was carried out using nonthermal-plasma (pulsed electrical-discharge plasma)-promoted catalytic process. In this paper, the filtered exhaust from the diesel engine is made to pass through a combination of nonthermal plasma reactor and a catalytic reactor connected in series. This combination is referred to as cascade. Two types of cascaded systems were studied. In one type, the plasma treating filtered exhaust was cascaded with a reduction catalyst V2O5/TiO2 using ammonia as reducing agent, and in the other type, the plasma treating filtered exhaust was cascaded with activated-alumina catalyst without any additive. Improved NOx-removal performance of both the cascaded processes and the role of nonthermal plasma in promoting catalysis are explained. Along with the NOx, total hydrocarbon and aldehydes were also removed. Furthermore, experiments were conducted at different temperatures and engine-loading conditions.

Item Type:	Journal Article
Publication:	IEEE Transactions on Industry Applications
Publisher:	IEEE
Additional Information:	Copyright 2007 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.
Keywords:	Diesel-engine exhaust;nonthermal plasma;NOx removal;plasma catalyst;plasma-promoted catalysis;pulsed electrical discharge plasma.
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	28 Mar 2012 06:12
Last Modified:	28 Mar 2012 06:12
URI:	http://eprints.iisc.ac.in/id/eprint/44125

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