Reactions of NO in a positive streamer corona plasma

M.A. Tas, R.M. van Hardeveld, E.M. Veldhuizen, van

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The reaction of NO in a streamer corona plasma is studied systematically as a function of the composition of the gas mixture, the initial concentration of NO, and the discharge repetition rate. The experimental results show that the reactions of NO depend strongly on the composition of the gas mixture. Reduction is observed in the absence of oxidants such as oxygen and water, but at very high energy cost (>200eV/NO). In the presence of both these oxidants, more than 90% of the NO conversion is oxidation. The lowest energy costs, 24 eV/NO for He mixtures and 45 eV / NO for N2 mixtures, are obtained at water and oxygen concentration above 3% and at low discharge repetition rates (
Original languageEnglish
Pages (from-to)371-391
JournalPlasma Chemistry and Plasma Processing
Issue number4
Publication statusPublished - 1997


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