Application of Zone Melting to Purification of Aqueous Solution.

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  • FUKUSHIMA MIKIKO
    Department of Environmental Chemical Engineering, Kogakuin University
  • KATOH NAOTAKE
    Department of Environmental Chemical Engineering, Kogakuin University

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  • ゾーンメルティングによる水溶液の高純度化の検討
  • ゾーンメルティング ニ ヨル スイヨウエキ ノ コウジュンドカ ノ ケントウ

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Abstract

Zone melting process usually limited to separation in the solid phase was examined to purify frozen aqueous solution by using a new zone melting technique developed by authors. This new process without movement of either sample tube or heaters enabled us to realize zone melting operation to the frozen aqueous solution.<BR>Experiments of cobalt concentration in the aqueous phase showed 40% reduction of initial concentration with one zone path number. Therefore, more reduction of impurity concentration can be expected by increasing zone path number.

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