Living oxygen concentration effect on NO removal efficiency on pulsed discharge

doi:10.3969/j.issn.1000-1565.2016.06.004

Abstract

Abstract: As an essential pollution gas,NO gas has drawn attentions for investigating its removal microscopic mechanism,in order to improve the removal efficiency.The fluorescence technique has been applied to analyze the NO removal dynamics with O₂ or without O₂ using negative pulsed streamer discharge plasma.Results indicate that,without the participation of O₂,the direct collision dissociation between energetic electrons and NO molecular have played a major role for NO removal.Such a removal reacting pathway can be presented as NO+e^*→NO^*+e→N^*+O^*+e,which produces O and N atoms and then O₂ and N₂ molecules.With more oxygen,the major removal reaction of NO has been changed to the oxidation reaction to yield NO₂ rather than the former reduction reaction.

Key words: NO, gas removal, pulsed discharge, oxygen concentration

CLC Number:

O433.2

ZHANG Miao,WANG Xiaojun,CHENG Xueliang,ZHANG Lianshui. Living oxygen concentration effect on NO removal efficiency on pulsed discharge[J]. Journal of Hebei University (Natural Science Edition), 2016, 36(6): 583-589.

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