Study of Hydrogen Peroxide Generation by Water Surface Discharge

This paper reports on experimental studies of chemical activities of pulse discharge plasmas generated in contact with water surface. The pulse discharge propagated in the form of streamer channels along the water surface. Hydrogen peroxide was used as a chemical probe for the evaluation. Point-to-p...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2014-10, Vol.42 (10), p.3226-3230
Main Authors: Yoshihara, Kazuki, Ruma, Hosseini, S. Hamid R., Sakugawa, Takashi, Akiyama, Hidenori
Format: Article
Language:English
Subjects:
Channels
Conductivity
Discharge
Educational institutions
Electrodes
Formations
gap distance
Groundwater discharge
High voltages
Hydrogen peroxide
liquid plasma
Modulators
Plasma physics
Plasmas
pulsed power
Surface chemistry
Surface discharges
Surface treatment
Surface water
Surface waves
water surface discharge
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Summary:This paper reports on experimental studies of chemical activities of pulse discharge plasmas generated in contact with water surface. The pulse discharge propagated in the form of streamer channels along the water surface. Hydrogen peroxide was used as a chemical probe for the evaluation. Point-to-plane electrode geometry and pulse high voltage of positive polarity was used for the experiments. A magnetic pulse compression pulsed power modulator was employed. Effects on discharge characteristics of the air gap distance between the high voltage electrode tip and water surface as well as solution conductivity were determined. The discharge characteristics were identical for different gap distances and solution conductivities; meanwhile, the streamer channels' length and their light emissions on water surface were changed with conductivity. No significant effect of gap distance between the needle tip and water surface on the formation of H 2 O 2 by the pulsed water surface discharge was determined. However, the formation rates of H 2 O 2 decreased with increasing medium conductivity.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2014.2345074