Generation of Three-Dimensionally Integrated Micro Solution Plasmas and Its Application to Decomposition of Organic Contaminants in Water

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  • Shirafuji Tatsuru
    Department of Physical Electronics and Informatics, Osaka City University
  • Himeno Yuta
    Department of Physical Electronics and Informatics, Osaka City University
  • Saito Nagahiro
    Materials, Physics and Energy Engineering, Nagoya University
  • Takai Osamu
    Materials and Surface Engineering Research Institute, Kanto Gakuin University

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Abstract

Three-dimensionally integrated micro solution plasmas were generated in gas bubbles in porous dielectric materials filled with gas/liquid mixed medium. The methylene blue molecules in aqueous solution were decomposed by the treatment with the three-dimensionally integrated micro solution plasmas. Decomposition efficiency was 16 times higher than conventional solution plasma in the case of applied voltage of 5 kV. With decreasing applied voltage from 5 to 2 kV, the decomposition efficiency was improved up to 360% in comparison to that of 5 kV, while reduction in the decomposition rate was 40%.

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