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Boosting the NOx production in microwave air plasma: A synergy of chemistry and vibrational kinetics
Qinghao Shen, Aleksandr Pikalev, Jonas Gans, Lex Kuijpers, Ashley Hughes, Vasco Guerra, M. C. M van de Sanden
https://arxiv.org/abs/2507.02795

Boosting the NOx production in microwave air plasma: A synergy of chemistry and vibrational kinetics
This study employs a quasi-1.5D multi-temperature model to investigate the mechanisms governing NOx production and energy costs in microwave plasma reactors operating at 80 mbar, focusing on the interplay of vibrational, chemical and electron kinetics, thermodynamics, and transport processes across the discharge and afterglow. In the plasma discharge zone, non-thermal processes enhance NOx production as electrons transfer energy effectively to the vibrational mode of N2. However, the non-therma…