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Pulsed Plasma Promoted Adsorption/Catalysis for NOx Removal from Stationary Diesel Engine Exhaust

Rajanikanth, BS and Srinivasan, AD (2007) Pulsed Plasma Promoted Adsorption/Catalysis for NOx Removal from Stationary Diesel Engine Exhaust. In: IEEE Transactions on Dielectrics and Electrical Insulation, 14 (2). pp. 302-311. (Unpublished)

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Abstract

A detailed laboratory study on the removal of oxides of nitrogen $(NO_x)$ from the exhaust of a stationary diesel engine was carried out using pulsed electrical discharge promoted adsorbent/catalytic processes. In this study, the filtered exhaust from the diesel engine is made to pass through a combination of plasma reactor and adsorbent/catalytic reactor connected in series. This combination is referred to as cascaded process. In the cascaded plasma–adsorbent process, the plasma treating filtered exhaust was cascaded with adsorbents (MS- 13X/Activated alumina/Activated charcoal). The cascaded lasmaadsorbent process exhibits a superior $NO_x$ removal characteristic compared to the individual processes-plasma or adsorbent processes. In the cascaded plasma-catalyst process, the plasma treating filtered exhaust was cascaded with activated alumina catalyst. For the purpose of investigation, both two-stage and four-stage cascaded plasma-activated alumina catalyst processes were separately studied. The synergy effect and limitation of two-stage process and improved performance of four-stage process are explained. Further, experiments were conducted at room temperature as well as at higher temperatures.

Item Type: Journal Article
Additional Information: 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: NOx removal;Non-thermal plasma;Engine Exhaust cleaning;Electrical discharge application;Air pollution
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 27 Jul 2007
Last Modified: 19 Sep 2010 04:38
URI: http://eprints.iisc.ernet.in/id/eprint/11611

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