Nitrogen fixation in a microwave discharge supported in the air flow by continuous millimetre radiation
Sintsov S. V.
1, Chekmarev N.V.1, Mansfeld D.A.1, Preobrazhensky E.I.1, Vodopyanov A.V.1
1Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia
Email: sins@ipfran.ru
The first results of experimental investigation of plasma nitrogen fixation in a discharge supported in a "waveguide plasmatron" by continuous radiation of a gyrotron with a frequency of 24 GHz in an air flow at atmospheric pressure are presented. It is shown that specific energy consumption for the synthesis of nitrogen oxides is 3-5.8 MJ/mol, and their content in the spent plasma mixture reaches 1.35%. The obtained qualitative physical regularities can be used for the development of new microwave plasmatrons in the interests of plasma chemistry Keywords: microwave discharge, gyrotron, plasma chemistry, nitrogen fixation.
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