Reduction of Water Splitting Effect in Bipolar Membranes (「日中電気透析シンポジウム」小特集) Reduction of Water Splitting Effect in Bipolar Membranes

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Abstract

Bipolar membranes consist of a layered structure involving a cation selective membrane joined to an anion selective membrane. This is of practical interest in terms of a new process for the commercial production of acids and bases. This study examines why water splitting is reduced in bipolar membranes. It has been suggested that water splitting occurrs due to the second Wien effect in the intermediate region, because the potential drop is very large. If amines exist in the intermediate region, water splitting is accelerated because protonation and deprotonation reactions occur between H<SUB>2</SUB>O and the amines. If space between the cation and anion exchange layers is produced, the water splitting effect is reduced. It was proved that if the anion exchange layer was composed of only binary or ternay amino groups, the water splitting effect was also reduced due to the low anion selectivity.

Journal

  • Bulletin of the Society of Sea Water Science, Japan

    Bulletin of the Society of Sea Water Science, Japan 51(4), 205-212, 1997-09-01

    The Society of Sea Water Science, Japan

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Codes

  • NII Article ID (NAID)
    10008280947
  • NII NACSIS-CAT ID (NCID)
    AN0018645X
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    03694550
  • NDL Article ID
    4292548
  • NDL Source Classification
    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 Call No.
    Z15-47
  • Data Source
    CJP  NDL  J-STAGE 
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