Fast Pyrolysis of Chlorodifluoromethane in a Microwave-Heated Fluidized Bed

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This paper investigates the application of a fluidized bed reactor for fast pyrolysis of chlorodifluoromethane (R22) into tetrafluoroethylene (TFE) which is endothermic reaction. Numerical analysis for kinetics of R22 pyrolysis showed that heat supply is critical factor due to higher reaction temperature and shorter reaction time where better TFE yield is obtainable. Then, we proposed microwave-heated fluidized bed as a reactor type instead of a conventional tubular reactor using superheated steam as a major heat source. We examined the fluidized-bed R22 pyrolysis over temperature range of 700–840°Cand could achieve TFE yield more than 80 mol %. It was also expected that the TFE yield can be further enhanced by optimizing fluidizing condition. Hence, the proposed fluidized bed is applicable to R22 pyrolysis as an efficient reactor type. It is demonstrated that the microwave is a promising heating means for the fast reaction since it can achieve high-heat flux for so small reactor volume without overheating the reactor wall.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 32(2), 171-176, 1999-04 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10002067344
  • 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
    4702117
  • 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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