Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment

Hyun Ho Shin, Woong-Sup Yoon

Research output: Contribution to conferencePaper

1 Citation (Scopus)

Abstract

In the present study, systematic chemical kinetic calculations were made to investigate the promotion of NO-NO2 conversion due to the addition of various hydrocarbons (methane, ethylene, ethane, propene, propane) in the nonthermal plasma treatment. It is included in the present conclusion that the reaction between the added hydrocarbon and oxygen radical induced by electron collision due to nonthermal plasma discharge, can be considered as a primary process for triggering the overall NO oxidation. Upon the completion of the initiating step, various radicals (OH, HO2 etc.) successively produced by hydrocarbon decomposition lead to the eventual NO-NO2 conversion. With the initiating step less activated, hydrocarbon consumption rate becomes very low, thereby the targeted level of NO conversion can only be achieved by the addition of more input energy. Present study showed, among 5 hydrocarbons simulated, ethylene and propene to have higher affinity with O radical under all conditions, hence very fast and efficient NO-NO2 oxidation is possible. It was also shown that propene is superior to ethylene in the aspect of NOx removal.

Original languageEnglish
DOIs
Publication statusPublished - 2000 Dec 1
EventInternational Fall Fuels and Lubricants Meeting and Exposition - Baltimore, MD, United States
Duration: 2000 Oct 162000 Oct 19

Other

OtherInternational Fall Fuels and Lubricants Meeting and Exposition
CountryUnited States
CityBaltimore, MD
Period00/10/1600/10/19

Fingerprint

Hydrocarbons
Plasmas
Propylene
Ethylene
Oxidation
Ethane
Propane
Reaction kinetics
Methane
Decomposition
Oxygen
Electrons

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

Cite this

Shin, H. H., & Yoon, W-S. (2000). Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment. Paper presented at International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States. https://doi.org/10.4271/2000-01-2969
Shin, Hyun Ho ; Yoon, Woong-Sup. / Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment. Paper presented at International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States.
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Shin, HH & Yoon, W-S 2000, 'Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment' Paper presented at International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States, 00/10/16 - 00/10/19, . https://doi.org/10.4271/2000-01-2969

Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment. / Shin, Hyun Ho; Yoon, Woong-Sup.

2000. Paper presented at International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States.

Research output: Contribution to conferencePaper

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N2 - In the present study, systematic chemical kinetic calculations were made to investigate the promotion of NO-NO2 conversion due to the addition of various hydrocarbons (methane, ethylene, ethane, propene, propane) in the nonthermal plasma treatment. It is included in the present conclusion that the reaction between the added hydrocarbon and oxygen radical induced by electron collision due to nonthermal plasma discharge, can be considered as a primary process for triggering the overall NO oxidation. Upon the completion of the initiating step, various radicals (OH, HO2 etc.) successively produced by hydrocarbon decomposition lead to the eventual NO-NO2 conversion. With the initiating step less activated, hydrocarbon consumption rate becomes very low, thereby the targeted level of NO conversion can only be achieved by the addition of more input energy. Present study showed, among 5 hydrocarbons simulated, ethylene and propene to have higher affinity with O radical under all conditions, hence very fast and efficient NO-NO2 oxidation is possible. It was also shown that propene is superior to ethylene in the aspect of NOx removal.

AB - In the present study, systematic chemical kinetic calculations were made to investigate the promotion of NO-NO2 conversion due to the addition of various hydrocarbons (methane, ethylene, ethane, propene, propane) in the nonthermal plasma treatment. It is included in the present conclusion that the reaction between the added hydrocarbon and oxygen radical induced by electron collision due to nonthermal plasma discharge, can be considered as a primary process for triggering the overall NO oxidation. Upon the completion of the initiating step, various radicals (OH, HO2 etc.) successively produced by hydrocarbon decomposition lead to the eventual NO-NO2 conversion. With the initiating step less activated, hydrocarbon consumption rate becomes very low, thereby the targeted level of NO conversion can only be achieved by the addition of more input energy. Present study showed, among 5 hydrocarbons simulated, ethylene and propene to have higher affinity with O radical under all conditions, hence very fast and efficient NO-NO2 oxidation is possible. It was also shown that propene is superior to ethylene in the aspect of NOx removal.

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Shin HH, Yoon W-S. Effect of hydrocarbons on the promotion of NO-NO2 conversion in nonthermal plasma DeNOx treatment. 2000. Paper presented at International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States. https://doi.org/10.4271/2000-01-2969