Journal of Radio Electronics. eISSN 1684-1719. 2025. №11

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DOI: https://doi.org/10.30898/1684-1719.2025.11.17

17th International Conference

Gas Discharge Plasmas and Their Applications

Ekaterinburg, Russia, 8-12 September 2025

 

 

Pulsed Corona Discharge Ozone Generator

 

A.S. Chepusov, S.R. Korzhenevskiy, A.A. Komarskiy, A.V. Ponomarev, O.D. Krasniy

 

IEP UB RAS, 620016, 106, Amundsen str., Ekaterinburg, Russia

 

The paper was received October 2, 2025.

 

Abstract. Ozone is an allotropic modification of oxygen with unique oxidizing properties. It is widely used in disinfection of medical instruments and clothing, wastewater treatment, food decontamination, and in technological processes in metallurgy. The most common methods for ozone generation are barrier discharge ozonizers. However, this technology has a number of significant drawbacks that prevent its application in industry. An alternative is the use of corona discharges. The authors have developed an ozone generator based on pulsed corona discharge with a repetition rate of up to 300 Hz. The setup allows changing the electrode system, gas flow parameters, and electrical characteristics of the discharge, which makes it possible to conduct a wide range of studies of ozone generation for industrial applications. The experiments carried out allow us to distinguish 2 operating modes: with maximum concentration in the flow and with the best ozone productivity. No clear dependence on the electric field strength was revealed. It’s necessary to provide calculation of the microscopic field strength at the cathode surface. At high energy density the corona discharge transforms into the spark stage. It results in ozone generation decrease. A possible way to solve this problem and increase the efficiency of the installation is to use more productive air flow source and increase the frequency of high-voltage pulses.

Key words: ozone, ozone generator, corona discharge, gas reactor, high voltage nanosecond pulse source, solid-state switching system.

Corresponding author: Alexander Sergeevich Chepusov, chepusov@iep.uran.ru

 

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For citation:

Chepusov A.S., Korzhenevskiy S.R., Komarskiy A.A., Ponomarev A.V., Krasniy O.D. Pulsed Corona Discharge Ozone Generator // Journal of Radio Electronics. – 2025. – №. 11. https://doi.org/10.30898/1684-1719.2025.11.17 (In Russian)