光化学反応による微粒子化を利用したガス状汚染物質の除去に関する研究 -窒素酸化物とシクロヘキセンの除去- Removal of Gaseous Pollutants Using Photochemical Aerosol Formation -Removal of Nitrogen Oxides and Cyclohexene-

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著者

    • 河野 仁志 KOHNO Hitoshi
    • (株)朝日工業社技術研究所, 埼玉大学大学院理工学研究科 R&D Center, Asahi Kogyosha Co. , Ltd. , Graduate School of Science and Engineering Saitama University

抄録

we have been researching air cleaning technology using gas-to-particle conversion of atmospheric gaseous pollutants by UV light irradiation. We measured removal efficiency of NO<SUB>x</SUB> and typical airborne cycloalkene, cyclohexene, by the irradiation of high power UV (with 184.9 nm wavelength) lamps. The removal efficiency of NO<SUB>x</SUB> increased with increasing water vapor concentration. More than 90 % removal efficiency could be achieved when the relative humidity was more than 50 %. Cyclohexene was almost removed even under low relative humidity (25 % RH). Larger particles were formed in NO- cyclohexene-air system than in NO-air system. The decrease in the removal efficiency of NO<SUB>x</SUB> by the addition of cyclohexene could be ascribed to the competitive reaction of OH radicals with NO<SUB>x</SUB> and cyclohexene. Absorption bands of carboxyl groups were visible in FT-IR spectra of collected particles which were formed in NO-cyclohexene-air-photoirradiation experiments. This technique can be applied to larger-scale air treatments if more UV lamps are added.

収録刊行物

  • エアロゾル研究 = Journal of aerosol research

    エアロゾル研究 = Journal of aerosol research 11(3), 220-225, 1996-09-20

    日本エアロゾル学会

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各種コード

  • NII論文ID(NAID)
    10002687260
  • NII書誌ID(NCID)
    AN10041511
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09122834
  • NDL 記事登録ID
    4038271
  • NDL 雑誌分類
    ZP5(科学技術--化学・化学工業--化学工学)
  • NDL 請求記号
    Z17-1062
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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