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Evaluation of Novel Integrated Dielectric Barrier Discharge Plasma as Ozone Generator

1Center for Plasma Research, Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Jl. Prof. Soedarto, Kampus Undip Tembalang, Semarang 50239, Indonesia

2Department of Physics, Faculty of Science and Mathematics, Diponegoro University, Jl. Prof. Soedarto, Kampus Undip Tembalang, Semarang 50239, Indonesia

3Department of Chemistry, Faculty of Science and Mathematics, Diponegoro University, Jl. Prof. Soedarto, Kampus Undip Tembalang, Semarang 50239, Indonesia

4 Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jl. Tungku Link, Gadong BE1410, Brunei Darussalam

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Received: 18 Jul 2016; Revised: 25 Sep 2016; Accepted: 5 Oct 2016; Available online: 13 Feb 2017; Published: 30 Apr 2017.
Editor(s): Istadi Istadi
Open Access Copyright (c) 2017 by Authors, Published by BCREC Group under http://creativecommons.org/licenses/by-sa/4.0.
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Abstract

This paper presents a characterization of an integrated ozone generator constructed by seven of reactors of Dielectric Barrier Discharge Plasma (DBDP). DBDP a has spiral-cylindrical configuration. Silence plasma produced ozone inside the DBDP reactor was generated by AC-HV with voltage up to 25 kV and maximum frequency of 23 kHz. As a source of ozone, dry air was pumped into the generator and controlled by valves system and a flowmeter. We found ozone concentration increased with the applied voltage, but in contrary, the concentration decreased with the flow rate of dry air. It was also found that a maximum concentration was 20 mg/L and ozone capacity of 48 g/h with an input power of 1.4 kW. Moreover, in this generator, IP efficiency of 8.13 g/kWh was obtained at input power 0.45 kW and air flow rate of 9 L/min. Therefore, be the higher ozone capacity can be produced with higher input power; however, it provided lower IP efficiency. The effect of dry air flow rate and applied voltage on ozone concentrations have been studied. At last, spiral wire copper was very corrosive done to the interaction with ozone, and it is necessary to do a research for finding the best metals as an active electrode inside of the quartz dielectric. 

Keywords: ozone generator; dielectric barrier discharge; ozone; corrosion; electrode
Funding: Ministry of Research, Technology and High Education of Indonesia

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