バイポーラ膜電気透析法による酸・塩基の製造 Production of Acid and Base by means of Bipolar Membrane Electro-Dialysis

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Sodium sulfate, sodium nitrate, ammonium lactate and sodium glycinate were converted to original acids and bases by means of Bipolar membrane electro-dialysis.<BR>Sodium sulfate and sodium nitrate were subjected to 3-compartment Bipolar membrane (BPM/CM/AM) electrodialysis. When the concentration of acid and base increased, the current efficiency decreased and the salt content increased. Energy consumption of NaOH production was 2300kwh/t-NaOH.<BR>In the case of sodium nitrate, the results were very similar to those for sodium sulfate. Ammonium lactate and sodium glycinate were subjected to 2-compartment Bipolar membrane (BPM/CM) electrodialysis. Ammonium lactate was converted to lactic acid by more than 99%. Energy consumption was 0.61kwh/kgLacH. Sodium glycinate was converted to glycine by 95%. Energy consumption was 0.78kwh/kg Glycine.<BR>Ammonium lactate was subjected to 2-compartment Bipolar membrane (BPM/AM) electrodialysis. Ammonium lactate was converted to Lactic acid by more than 98%. Concentration of lactic acid reached 3.5mol/<I>l</I> and energy consumption was 0.83kwh/kgLacH.

収録刊行物

  • 日本海水学会誌

    日本海水学会誌 51(4), 237-241, 1997-09-01

    日本海水学会

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各種コード

  • NII論文ID(NAID)
    10008281012
  • NII書誌ID(NCID)
    AN0018645X
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    03694550
  • NDL 記事登録ID
    4292552
  • NDL 雑誌分類
    ZM44(科学技術--地球科学--海洋・陸水・火山) // ZP8(科学技術--化学・化学工業--無機化学・無機化学工業)
  • NDL 請求記号
    Z15-47
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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