紫外光分解反応を用いた減圧・高濃度オゾンガス分解装置

書誌事項

タイトル別名
  • Ozone Killer by UV-Light Irradiation for Reduced Pressure and High Concentration Ozone Gas
  • シガイコウ ブンカイ ハンノウ オ モチイタ ゲンアツ コウノウド オゾンガス ブンカイ ソウチ

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抄録

  We have developed a high efficiency ozone killer for reduced pressure and high concentration ozone using ultra-violet (UV) light irradiation to ozone gas. The highly concentrated ozone gas (∼100%) of 30-110 Pa with a flow rate of 50 sccm can be decomposed to the concentration as low as 5% by UV light (200 nm-300 nm, 15 mW/cm2) irradiation. However, the residual ozone gas concentration increases the supplied ozone flow rate, since ozone molecule must stay in the ozone killer to absorb a UV photon. The photo-type ozone killer can be practically applied to actual processes by optimizing the dimension of the killer for a given pressure and gas flow rate.<br>

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