Development of Compact 1 kg/h Coplanar Discharge Ozonizer

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  • Okita Yuji
    Power & Industrial Systems Research and Development Center Toshiba Corporation
  • Iijima Takanori
    Power & Industrial Systems Research and Development Center Toshiba Corporation
  • Amano Atsushi
    Power & Industrial Systems Research and Development Center Toshiba Corporation
  • Yamanashi Ichiro
    Power & Industrial Systems Research and Development Center Toshiba Corporation
  • Murata Takaaki
    Power & Industrial Systems Research and Development Center Toshiba Corporation

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Other Title
  • コンパクト1 kg/h共面放電オゾナイザの開発
  • コンパクト 1kg h キョウメン ホウデン オゾナイザ ノ カイハツ

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A compact coplanar discharge ozonizer, of which electrodes were set on stacked and water-cooled aluminum die-cast plates, was developed. We obtained 1 kg/h ozone gas production and over 300 g/Nm3 (20wt%) saturation concentration of ozone at the pressure of 0.17 MPa. The efficiency was 100g/kWh at 180g/Nm3 when 93% oxygen contents (PSA gas) were used. Moreover, we clarified the effects of gas pressure, feed oxygen gas concentration and gas gap on the ozonizer.

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