Carbon dioxide conversion in microwave discharge plasma with counter-flow gas quenching
Mansfeld D. A.
1,2, Vodopyanov A. V.
1,2, Chekmarev N. V.
2, Preobrazhensky E. I.
21Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
2Federal Research Center A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia
Email: Mda1981@ipfran.ru, avod@ipfran.ru, chekmarev@ipfran.ru, evgenypr123@gmail.com
Decomposition of carbon dioxide in plasma supported by magnetron radiation with a frequency of 2.45 GHz in the flow of carbon dioxide at atmospheric pressure has been studied. It is shown that quenching of reaction products by a counter flow of gas, more than 1.5 times increases the degree of conversion and energy efficiency of carbon dioxide decomposition. At record values of energy efficiency of 43.9% and conversion of 14.3%, the carbon monoxide yield with productivity of 0.2 kg/h at microwave radiation energy consumption of 6.56.5 kW· h/kg is provided. Keywords: Microwave heating, atmospheric pressure discharge, carbon dioxide, quenching.
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