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Catalyst-packed non-therinal plasma reactor for removal of nitrogen oxides

Ravi, V and Mok, Young Sun and Rajanikanth, B and Kang, Ho-Chul (2003) Catalyst-packed non-therinal plasma reactor for removal of nitrogen oxides. In: Plasma Science and Technology, 5 (1). pp. 1603-1608.

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Abstract

A single-stage plasma-catalytic reactor in which catalytic materials were packed was used to remove nitrogen oxides. The packing material was scoria being made of various metal oxides including $Al_{2}0_{3}, MgO, Ti0_{2}$, etc. Scoria was able to act not only as dielectric pellets but also as a catalyst in the presence of reducing agent such as ethylene and ammonia. Without plasma discharge, scoria did not work well as a catalyst in the temperature range of 100 "C to 200 "C, showing less than 10% of NOx removal efficiency. When plasma is produced inside the reactor, the NOx removal efficiency could be increased to 60% in this temperature range.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Science China Press
Keywords: plasma;catalyst;scoria;nitrogen oxides, removal
Department/Centre: Division of Electrical Sciences > High Voltage Engineering (merged with EE)
Date Deposited: 15 Dec 2008 10:59
Last Modified: 19 Sep 2010 04:53
URI: http://eprints.iisc.ernet.in/id/eprint/16649

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