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Very recently, an efficient electrochemical desalination process employing bipolar membranes with large ion-exchange area is being developed (so-called ‘electro-adsorptive deionization’). In this process, ions dissolved in a feed solution can be removed through an ion-exchange mechanism under a strong electric field (a forward bias condition). The membranes can also be regenerated without the use of additional chemicals by the water-splitting reactions which occur at the bipolar junction of membranes (a reverse bias condition). In this work, we have developed novel bipolar membranes containing iron oxide/hydroxide catalysts. In addition, the ion-exchange capacities of the bipolar membranes have been largely enlarged by embedding finely powdered ion-exchange resins. (No. 10047796) (No. 2015H1C1A1034436)
