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Open AccessJournal ArticleDOI

Corona discharge processes

J.S. Chang, +2 more
- 01 Dec 1991 - 
- Vol. 19, Iss: 6, pp 1152-1166
TLDR
In this paper, a review of applications of corona discharge induced plasmas and unipolar ions is presented, focusing on one of two aspects of the discharge: the ions produced or the energetic electrons producing the plasma.
Abstract
Applications of corona discharge induced plasmas and unipolar ions are reviewed. Corona process applications emphasize one of two aspects of the discharge: the ions produced or the energetic electrons producing the plasma. The ion identities depend on the polarity of the discharge and the characteristics of the gas mixture, specifically on the electron attaching species. The electron energies depend on the gas characteristics and on the method of generating the corona. In general, in an application using ions, the corona induced plasma zone will occupy a small fraction of the total process volume, while a process using the electrons will fill most of the volume with the plasma. Current state-of-the knowledge of ionized environments and the function of corona discharge processes are discussed in detail. >

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References
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Journal ArticleDOI

Industrial experiments on pulse corona simultaneous removal of NO/sub x/ and SO/sub 2/ from flue gas

TL;DR: In this paper, the corona-induced simultaneous removal of NO/sub x/ and SO/sub 2/ from flue gas is based on the application of narrow voltage pulses to an electrode structure similar to that of an electrostatic precipitator.
Journal ArticleDOI

Control of volatile organic compounds by an AC energized ferroelectric pellet reactor and a pulsed corona reactor

TL;DR: In this article, two laboratory-scale plasma reactors, an alternating-current-energized ferroelectric (high-dielectric ceramic) packed-bed reactor and a nanosecond pulsed corona reactor, were constructed.
Journal ArticleDOI

Control of NO/sub x/ by positive and negative pulsed corona discharges

TL;DR: In this paper, the pulse-induced plasma chemical process (PPCP) was used to remove NO, SO/sub 2/ and HCl from combustion gases, and the reaction speed for PPCP with positive pulsing was more than one order of magnitude higher than that with negative pulsing applicable to electrostatic precipitators.
Journal ArticleDOI

Combined removal of SO/sub 2/, NO/sub x/, and fly ash from simulated flue gas using pulsed streamer corona

TL;DR: In this article, a pulse-energized electron reactor utilizing pulsed streamer corona has been developed for the combined removal of SO/sub 2/, NO/sub x/, and particles from effluent gases.
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