Distribution of Cations in Ice Grown on a Rotating Cold Cylinder

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Ice was formed on a rotating cold cylinder, and the distribution of cations (i.e., K<SUP>+</SUP>, Na<SUP>+</SUP>, Mg<SUP>2+</SUP> and Ca<SUP>2+</SUP>) between ice and water as a function of the operating variables of ice crystallization was discussed. Ice growth rate was controlled by the rotation speed and temperature of the cold cylinder. The shape of the ice formed on the rotating cold cylinder depended on the flow structure of Taylor vortices in the water solution. The effective distribution coefficients of the cations were extremely small compared with those in the fatty acid system. The effective distribution coefficients of the cations correlated well as a function of ice growth rate. According to the correlation model, pure ice can form if the ice growth rate is lower than the critical growth rate. The critical temperatures of the four cations showed no difference from each other, and increased with the supercooling temperature.

収録刊行物

  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 41(5), 344-349, 2008-05-01

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10021110197
  • 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
    9498225
  • 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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