NOx treatment by DC streamer corona discharge with series gap

Penghui Guan, Nobuya Hayashi, Saburoh Satoh, Chobei Yamabe

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

Among many methods used for removal of NO from flue gas, a positive DC streamer corona discharge method is presented in this paper. To generate a uniform streamer corona discharge, which is effective for the NO treatment, a series gap was connected to the main discharge reactor. The electrical and optical measurements showed that the series gap was useful for getting the uniform streamer discharge. Using the series gap, a voltage pulse whose dV/dt was from 0.7 to 2.72 kV/ns (depending on the series gap spacing) was produced in the main reactor. The energy consumption of the series gap was from about 6% to 20% of the total input power for different series gap spacings from 0.3 to 1.05 mm. The maximum NO removal rate of 90% was obtained at the main gap spacing of 30 mm and series gap spacing of 0.9 mm. Maximum removal efficiency of 6.0 g NO/kWh also occurred at a series gap spacing of 0.3 mm.

Original languageEnglish
Pages (from-to)469-474
Number of pages6
JournalVacuum
Volume65
Issue number3-4
DOIs
Publication statusPublished - May 27 2002
Event3th International Symposium on Applied Plasma Science - Fairbanks, AK, United States
Duration: Jul 2 2001Jul 6 2001

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electric corona
direct current
spacing
Flue gases
Energy utilization
Electric potential
reactors
flue gases
energy consumption
optical measurement
electrical measurement
electric potential

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

NOx treatment by DC streamer corona discharge with series gap. / Guan, Penghui; Hayashi, Nobuya; Satoh, Saburoh; Yamabe, Chobei.

In: Vacuum, Vol. 65, No. 3-4, 27.05.2002, p. 469-474.

Research output: Contribution to journalConference article

Guan, Penghui ; Hayashi, Nobuya ; Satoh, Saburoh ; Yamabe, Chobei. / NOx treatment by DC streamer corona discharge with series gap. In: Vacuum. 2002 ; Vol. 65, No. 3-4. pp. 469-474.
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N2 - Among many methods used for removal of NO from flue gas, a positive DC streamer corona discharge method is presented in this paper. To generate a uniform streamer corona discharge, which is effective for the NO treatment, a series gap was connected to the main discharge reactor. The electrical and optical measurements showed that the series gap was useful for getting the uniform streamer discharge. Using the series gap, a voltage pulse whose dV/dt was from 0.7 to 2.72 kV/ns (depending on the series gap spacing) was produced in the main reactor. The energy consumption of the series gap was from about 6% to 20% of the total input power for different series gap spacings from 0.3 to 1.05 mm. The maximum NO removal rate of 90% was obtained at the main gap spacing of 30 mm and series gap spacing of 0.9 mm. Maximum removal efficiency of 6.0 g NO/kWh also occurred at a series gap spacing of 0.3 mm.

AB - Among many methods used for removal of NO from flue gas, a positive DC streamer corona discharge method is presented in this paper. To generate a uniform streamer corona discharge, which is effective for the NO treatment, a series gap was connected to the main discharge reactor. The electrical and optical measurements showed that the series gap was useful for getting the uniform streamer discharge. Using the series gap, a voltage pulse whose dV/dt was from 0.7 to 2.72 kV/ns (depending on the series gap spacing) was produced in the main reactor. The energy consumption of the series gap was from about 6% to 20% of the total input power for different series gap spacings from 0.3 to 1.05 mm. The maximum NO removal rate of 90% was obtained at the main gap spacing of 30 mm and series gap spacing of 0.9 mm. Maximum removal efficiency of 6.0 g NO/kWh also occurred at a series gap spacing of 0.3 mm.

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