| 摘要 |
To provide an electrodialysis device which is able to effectively perform a concentration and desalination process by preventing a membrane in a passage connecting a desalination chamber and a concentration chamber by introducing an auxiliary gasket thereinto. Auxiliary gaskets that are made of hard materials and do not have a connection passage in communication with a desalination chamber and a concentration chamber are respectively laminated on the upper and lower sides of gaskets (7,8), thereby thin and soft ion exchange membrane being curved to spaces of each connection passage (24).
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