Effects of pulse risetime and pulse width on the destruction of toluene and NO/sub x/ in a coaxial pulsed corona reactor

Roush, R.A.; Hutcherson, R.K.; Ingram, Mike; Grothaus, M.G.

doi:10.1109/modsym.1996.564455

Cited by 8 publications

(3 citation statements)

References 6 publications

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“…An intensive cleaning effect was found at low temperatures [1, 6,8]: our experiments add to findings in literature [9,10] by showing that organic compounds are easily decomposed by corona discharges. For several hydrocarbons we measured a high removal efficiency at acceptable levels of input energy.…”

Section: Introductionsupporting

confidence: 81%

Hot biogas conditioning using pulsed corona

Heesch

Zacharias²,

Paasen³

et al.

Conference Record of the Twenty-Third International Power Modulator Symposium (Cat. No. 98CH36133)

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A new technology area for pulsed corona is hot biogas cleaning, important in view of the growing interest in biomass gasification. Our work concentrates on the development and optimization of pulsed electrical methods for treatment of thermally generated biogas. Corona energized by narrow voltage pulses (100 kV) makes a well ordered and concentrated deposition possible of electrical energy from a circuit into a hot polluted gas. The created plasmas can break down various contaminants. Successfil introduction of pulsed corona for industrial processes very much depends on the reliability of high-voltage and pulsed power technology and on the efficiency of energy transfer. In addition, we must achieve adequate electromagnetic compatibility (EMC).

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Section: Introductionsupporting

confidence: 81%

Hot biogas conditioning using pulsed corona

Heesch

Zacharias²,

Paasen³

et al.

Conference Record of the Twenty-Third International Power Modulator Symposium (Cat. No. 98CH36133)

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show abstract

“…The work presented here has been carried out using the same inlet gas composition only and thus changes in the pulse shape would not be expected as the gas composition is not changing. Another investigation [23] of the effect of pulse width and risetime has been carried out. These authors were generally unable to separate out the effects of width and risetime but found that shorter width, shorter risetime pulses were more efficient.…”

Section: The Effect Of Energy Storage Capacitancementioning

confidence: 99%

Pulsed corona treatment of gases: system scaling and efficiency

McAdams

2007

Plasma Sources Sci. Technol.

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A pulsed corona facility for the treatment of gases at relatively high gas flow rates and powers is described. Data are presented, mainly for the example of toluene removal, which illustrate specific energy scaling of the system with power, gas flow rate, charging voltage of the pulsed power supply and inlet concentration. The effect of plasma reactor length and charging capacitance of the pulsed power supply on the system efficiency is also investigated. The implications of the scaling and efficiency in determining the size of systems and the relative operating and capital costs for practical applications are discussed briefly.

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“…For instance, Ryo Ono and Tetsuji Oda have used the pulsed discharge between needles-plane electrodes to generate ozone and measured the ozone distribution in the discharge gap. R. A. Roush and R. K. Hutcherson focused on the exhaust gas detoxification efficiency by large volume discharge under different pulse risetime and pulse width [11][12][13]. Although the large volume discharge is widely used in the industry applications, the effect of waveform parameters on the formation of large volume discharge is not very clear yet.…”

Section: Introductionmentioning

confidence: 99%

Effect of Waveform Parameters on Pulsed Glow Discharge in Air

Tao¹,

Zhou²,

Ma³

et al. 2012

JMP

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The nanosecond single pulse was employed here to generate a large volume glow discharge between the wire-plane electrodes in air. In order to find requirements on pulse waveform for generation of a large volume discharge at atmospheric pressure, the effect of pulse risetime, pulse width, and amplitude on glow discharge has been widely investigated in this paper. Results reveal that a large volume glow discharge can be generated in an inhomogeneous electric field under the single pulse with the faster risetime, the lower peak amplitude. The pulse width has almost no influence on the density of glow discharge, but which has a great influence on the transition from glow discharge to streamer discharge. A model of inter-shielding-effect has been proposed to explain the influence of waveform parameters on pulsed glow discharge

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Effects of pulse risetime and pulse width on the destruction of toluene and NO/sub x/ in a coaxial pulsed corona reactor

Cited by 8 publications

References 6 publications

Hot biogas conditioning using pulsed corona

Hot biogas conditioning using pulsed corona

Pulsed corona treatment of gases: system scaling and efficiency

Effect of Waveform Parameters on Pulsed Glow Discharge in Air

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