Permeation behavior of organic acids through a membrane with electrodialysis

Naoki Katayama, Susumu Nii, Katsuroku Takahashi, Masamichi Kamihira, Hiroshi Takeuchi

Research output: Contribution to journalArticlepeer-review


For electrodialysis of lactic and acetic acids, the effect of pH on the permeation behavior was examined. A strong basic or perfluoro anion exchange membrane was used. Even when the organic acids were undissociated, permeation of these acids was observed and the addition of HCl promoted the permeation rate. The permselectivity of lactic acid over acetic acid was large at low pH and decreased as the dissociation of acetic acid proceeded at high pH.

Original languageEnglish
Pages (from-to)811-815
Number of pages5
Journalkagaku kogaku ronbunshu
Issue number4
Publication statusPublished - 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering


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