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http://dx.doi.org/10.5394/KINPR.2010.34.3.205

Effects of Operating Parameters on Ozone Production by Plasma Gun for Ballast Water Treatment  

Lee, Hyeon-Don (Department of Environmental Protection, Gyeongsang National University)
Kim, Jong-Oh (Department of Urban Engineering/ERDI, Gyeongsang National University)
Chung, Jae-Woo (Department of Environmental Engineering/Green Technology Institute, Jinju National University)
Publication Information
Journal of Navigation and Port Research / v.34, no.3, 2010 , pp. 205-211 More about this Journal
Abstract
Effects of operating parameters on electrical properties and ozone generation of Plasma Gun for ballast water treatment were investigated in a laboratory scale experiment. Electrical discharges and ozone generation initiated with applying voltages higher than discharge onset value. Ozone concentration was almost linearly increased with the increase of applied voltage. The optimum electrode gap distance which gave the optimum energy efficiency of ozone generation was 1.95 mm in the experimented apparatus. The effect of inner electrode material on the electrical energy transfer was negligible, however, the difference of electrical and thermal conductivities between electrode materials significantly influenced the ozone generation. In a constant geometrical structure, the electrical energy density played an important role in the ozone generation. The increase of oxygen content in the feeding gas enhanced the ozone generation by lowering ionization potential and promoting ozone source.
Keywords
Plasma Gun; Discharge characteristics; Ozone generation; Operating parameters; Energy efficiency;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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