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Electro-Regeneration Mechanism Of Ion-Exchange Resins In Electrodeionization

Author

Listed:
  • HONG MENG

    (School of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100083, P. R. China)

  • CHANGSHENG PENG

    (Instituto de Metalurgia, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, San Luis Potosí, C. P. 78210, Mexico)

  • SHAOXIAN SONG

    (Instituto de Metalurgia, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550, San Luis Potosí, C. P. 78210, Mexico)

  • DAYAO DENG

    (College of Arts & Science of Beijing Union University, Beijing 100083, P. R. China)

Abstract

The regeneration mechanism of ion-exchange resins in the electrodeionization process has been studied with theoretical and experimental investigation. Theoretically, contact forms of resins and membranes can be divided into 4 types, and the possible places of water-splitting are located at the contact faces of different types resins and membranes, for example, cation ion-exchange resins contact with anion ion-exchange resins or membranes, anion ion-exchange resins contact with cation ion-exchange resins and membranes, according to the theoretical calculation. And the exhausted ion-exchange resins can be regenerated by the electrodeionization process with the regeneration efficiency at 70–80% in this work.

Suggested Citation

  • Hong Meng & Changsheng Peng & Shaoxian Song & Dayao Deng, 2004. "Electro-Regeneration Mechanism Of Ion-Exchange Resins In Electrodeionization," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 11(06), pages 599-605.
    • Handle: RePEc:wsi:srlxxx:v:11:y:2004:i:06:n:s0218625x04006542
    DOI: 10.1142/S0218625X04006542
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