Division of Environmental Physics - User: igor
Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava

Evaluation of oxidative species in gaseous and liquid phase generated by mini-gliding arc discharge

Pawlat J., Terebun P., Kwiatkowski M., Tarabová B., Kovaľová Z., Kučerová K., Machala Z., Janda M., Hensel K.
Plasma Chem. Plasma Process. 39(3), pp. 627-643 (2019)

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Abstract:

The gliding arc discharge plasma reactors are known as a source of non-equilibrium plasma at atmospheric pressure. In the present study, generation of dominant reactive oxygen and nitrogen species (RONS) in gaseous and liquid phase in water by the compact gliding arc device (mini-GAD) and corresponding bactericidal effects were investigated. Water and phosphate buffer solutions were used as model liquids. Mini-GAD is a strong source of nitrogen oxides (up to 800 ppm NO and 200 ppm NO2) that result in high concentrations of nitrites and nitrates in water solutions. The highest bactericidal efficacy towards E.coli was achieved for non-buffered water solution.

Citations:

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