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Barrier Discharge Optimization for Nitric Oxide Destruction

  • John W. Rogers , Allen J. Nejezchleb , Glenn E. Rolader , Steven P. Federle , Donald M. Littrell , William C. Neely and E. Irene Newhouse
Published/Copyright: January 26, 2017
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Journal of Advanced Oxidation Technologies
From the journal Journal of Advanced Oxidation Technologies Volume 2 Issue 2

Abstract

Concern over smog and acid rain has created a need for innovative technologies that destroy or remove nitric oxide (NO) from many gas streams. One promising technology is the Non-Thermal Plasma Discharge (NTPD). Although NTPDs have been used to oxidize and reduce NO, previous studies found that these devices required a non-competitive amount of electrical energy input, preventing their wide-spread application. In this paper, we report on our experimental investigation into techniques to increase the efficiency of NTPDs. Specifically, two approaches were investigated. The first approach considered was the upstream injection of chemical additives. It is known that certain additives increase the chemical efficiency of desired reactions, thus reducing the required electrical energy. Several additives were tested, and their effect is summarized in this paper. It was found that upstream injection of ethanol in a diesel exhaust stream reduced the energy requirement from more than 150 electron volts (eV) per NO molecule oxidized to less than 20 eV per NO molecule oxidized. In addition, ethanol was found to produce no precipitate on the dielectrics that can lead to electrode failure. The second approach investigated was varying the dielectric material on a Double Dielectric Barrier Discharge (DDBD), a type of NTPD. Several dielectrics were tested and their effect is reported. It was found that, with the ethanol injection, using Teflon PFA instead of glass dielectrics reduces the energy requirement from approximately 22 eV per NO molecule oxidized to 17 eV per NO molecule oxidized. In addition, the Teflon PFA coated electrodes were more durable than typical glass electrodes. Techniques, experiments, and conclusions are presented in this paper.

Received: 1996-12-19
Accepted: 1997-3-19
Published Online: 2017-1-26
Published in Print: 1997-6-1

© 2017 by Walter de Gruyter Berlin/Boston

Articles in the same Issue

  1. Masthead
  2. Contents
  3. Preface
  4. Editorial
  5. Research Articles
  6. An Industrial-Scale Experiment of Pulse Corona Process for Removing SO2 and NOx from Combustion Flue Gas
  7. Ozone and the Other Gaseous By-products Generated from Dry Air by the Trench Type Barrier Discharge Plasma Reactor
  8. Purification of Diesel Exhaust Gas Using Reducing Catalysers
  9. Reduction of NO2 in N2 by Non-Thermal Plasmas
  10. The Effect of Ammonia Injection Rate and Discharge Power on the Reduction of NOx from a Combustion Flue Gas by Superimposing Barrier Discharge Reactors
  11. Removal of NOx from Dry Air by a Pulsed Corona Discharge with Magnetic Field
  12. Comparison of Pulsed Corona and Electron Beam Processing of Hazardous Air Pollutants
  13. Effect of Gas Temperature on Pulsed Corona Discharge Processing of Acetone, Benzene and Ethylene
  14. Non-Thermal Plasma Techniques for the Reduction of Volatile Organic Compounds in Air Streams: A Critical Review
  15. Decomposition of Carbon Tetrachloride by a Packed Bed Plasma Reactor
  16. Non-Thermal Plasma Processing for VOCs Decomposition and NOx Removal in Flue Gas
  17. Removal of Xylene, Trichloroethylene and Their Mixtures from Air Stream by a Pulsed Corona Discharge Induced Plasma Reactor
  18. Barrier Discharge Optimization for Nitric Oxide Destruction
https://doi.org/10.1515/jaots-1997-0216

Articles in the same Issue

  1. Masthead
  2. Contents
  3. Preface
  4. Editorial
  5. Research Articles
  6. An Industrial-Scale Experiment of Pulse Corona Process for Removing SO2 and NOx from Combustion Flue Gas
  7. Ozone and the Other Gaseous By-products Generated from Dry Air by the Trench Type Barrier Discharge Plasma Reactor
  8. Purification of Diesel Exhaust Gas Using Reducing Catalysers
  9. Reduction of NO2 in N2 by Non-Thermal Plasmas
  10. The Effect of Ammonia Injection Rate and Discharge Power on the Reduction of NOx from a Combustion Flue Gas by Superimposing Barrier Discharge Reactors
  11. Removal of NOx from Dry Air by a Pulsed Corona Discharge with Magnetic Field
  12. Comparison of Pulsed Corona and Electron Beam Processing of Hazardous Air Pollutants
  13. Effect of Gas Temperature on Pulsed Corona Discharge Processing of Acetone, Benzene and Ethylene
  14. Non-Thermal Plasma Techniques for the Reduction of Volatile Organic Compounds in Air Streams: A Critical Review
  15. Decomposition of Carbon Tetrachloride by a Packed Bed Plasma Reactor
  16. Non-Thermal Plasma Processing for VOCs Decomposition and NOx Removal in Flue Gas
  17. Removal of Xylene, Trichloroethylene and Their Mixtures from Air Stream by a Pulsed Corona Discharge Induced Plasma Reactor
  18. Barrier Discharge Optimization for Nitric Oxide Destruction
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