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Direct dissolving method to generate ozonated water by means of dielectric barrier discharge

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6 Author(s)
Kim, D.-C. ; Korea Basic Sci. Inst., Daejeon, South Korea ; Kim, Y.-H. ; Lho, T. ; Lee, B.-J.
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Summary form only given, as follows. New features of the ozonated water generator have been studied. Conventional methods make use of a ozonator to generate ozone and a diffuser to dissolve ozone to water. However, the diffuser is no more necessary in the direct dissolving system. The direct dissolving system is featured by dielectric barrier discharge in the two layer flows, water and gases. In this system, ozone gas is generated by the microdischarge in the gas layer and dissolved in the water layer, simultaneously. The concentration of dissolved ozone is quantitatively measured by use of the idometric method.. When 1.2 L water is pretreated by 24 g of potassium iodide (KI), the measured ozone concentration was about 100 ppm for 15 min discharging time.

Published in:

Plasma Science, 2002. ICOPS 2002. IEEE Conference Record - Abstracts. The 29th IEEE International Conference on

Date of Conference:

26-30 May 2002