イオン交換膜のイオン透過機能と選択性

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書誌事項

タイトル別名
  • Ion Permselectivities and Other Selectivities of Ion Exchange Membranes
  • イオン コウカン マク ノ イオン トウカ キノウ ト センタクセイ

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説明

Functional membranes are currently employed in a broad range of aplications. Among these membranes, the ion exchange membranes have special functional charcteristics such as permselectivities for specific ions, a low permeability for water, and/or permselectivities for inorganic ions and organic molecules. The selective transport of cations or anions through the membrane is provided by the ion exchange body in membrane form; an increase in fixed-ion concentration gives a higher membrane performance. Membranes, possessing a high permselectivity for univalent ions, are obtamable by the formation of a charged thin-layer on the membrane surface : The charge of the thin-layer is opposite to that of the rest part of the membrane. Permselectivities for inorganic ions and organic molecules are provided by a fine-pore structure of the membrane and the capability for ion transports.

収録刊行物

  • 油化学

    油化学 35 (6), 419-425, 1986

    公益社団法人 日本油化学会

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