A Titanium Dioxide-Silica Glass Granule Packed Bed Reactor for Degradation of Airborne Organic Compounds

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In order to ensure the practical application of a titanium dioxide-based photocatalytic system, it is essential that reactors capable of being scaled up be designed. This has been difficult due to the issue of light distribution and irradiation of the photocatalytic surface. In this paper, a novel design utilizing a mixture of glass granules and titanium-dioxide coated particles are used in a packed bed configuration. A detailed phenomenological model to predict degradation rates of gas phase organic species (toluene) is developed. The parameters of the model are evaluated by experiments performed in differential bed reactors. These are then used in the model and the predictions are compared to the measured values, and reasonable agreement is obtained. The surface area utilization factor is approximately 0.66, indicating that a large fraction of the surface is being irradiated. These configurations can therefore be scaled up for use in larger scale applications.

収録刊行物

  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 37(4), 503-513, 2004-04-01

    公益社団法人 化学工学会

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各種コード

  • NII論文ID(NAID)
    10013340065
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    6929624
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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