Dynamics and Control of Heat Integrated Distillation Column (HIDiC)

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A heat integrated distillation column (HIDiC) is a new and highly energy-efficient distillation process. In the present work, dynamic simulation models for several types of HIDiCs were developed. The energy efficiency, dynamics, and controllability of HIDiCs were investigated by using the developed simulator, and these characteristics were compared with those of a conventional distillation column (CDiC). HIDiC has a more complex structure and slower dynamics than CDiC, but the control performance of HIDiC is comparable to that of CDiC as long as a suitable control system is designed. The distillate flow rate (<I>D</I>) is superior to the reflux flow rate (<I>L</I>) as a manipulated variable, because the dynamics of HIDiC becomes considerably faster by using <I>D</I> rather than <I>L</I>. To achieve high energy efficiency and controllability at the same time, it is recommended to adopt the structure in which the feed is preheated by distillate vapor (product), a condenser is used, and a reboiler is not used. In addition, the control performance of HIDiC becomes better as the heat transfer area decreases, and it becomes slightly better as the pressure difference between the stripping section and the rectifying section decreases.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 39(10), 1096-1103, 2006-10-01 

    The Society of Chemical Engineers, Japan

参考文献:  11件

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被引用文献:  4件

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各種コード

  • NII論文ID(NAID)
    10018326890
  • 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
    8513585
  • 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  CJP引用  NDL  J-STAGE 
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