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A cascaded discharge plasma-adsorbent technique for engine exhaust treatment

Rajanikanth, BS and Srinivasan, AD and Nandiny, BA (2003) A cascaded discharge plasma-adsorbent technique for engine exhaust treatment. In: Plasma Science and Technology, 5 (3). pp. 1825-1833.

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Official URL: http://iopscience.iop.org/1009-0630/5/3/012


A cascaded system of electrical discharges (non-thermal plasma) and adsorption process was investigated for the removal of oxides of Nitrogen (NOx) and total hydrocarbons (THC) from an actual diesel engine exhaust. The non-thermal plasma and adsorption processes were separately studied first and then the cascaded process was studied. In this study, different types of adsorbents were used. The NOx removal efficiency was higher with plasma-associated adsorption (cascaded) process compared to the individual processes and the removal efficiency was found almost invariant in time. When associated by plasma, among the adsorbents studied, activated charcoal and MS-13X were more effective for NOx and THC removal respectively. The experiments were conducted at no load and at 50% load conditions. The plasma reactor was kept at room temperature throughout the experiment, while the temperature of the adsorbent reactor was varied. A relative comparison of adsorbents was discussed at the end.

Item Type: Journal Article
Publication: Plasma Science and Technology
Publisher: Science China Press
Additional Information: Copyright of this article belongs to Science China Press.
Keywords: discharge plasma;engine exhaust;adsorbent;non-thermal plasma
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 03 Aug 2011 10:04
Last Modified: 03 Aug 2011 10:04
URI: http://eprints.iisc.ac.in/id/eprint/39697

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