Tech company Asahi Kasei has teamed up with European supplier Nobian, fellow Japanese firm Furuya Metal and global supplier Mastermelt to explore recycling precious metals used in the cells and electrodes of electrolysers that have reached their end of service.
The quartet will work towards building a recycling and circular economy system for valuable metals in the chlor-alkali industry.
Asahi Kasei, which manufactures and supplies ion-exchange membranes, electrolysis cells, electrodes, and operation expertise for electrolyser plants, will collect used electrodes from Nobian and provide them to Mastermelt and Furuya Metal which will remove the catalyst from the electrodes and extract and purify the precious metals.
Asahi Kasei will use the precious metals in a new catalyst used for coating electrodes. By using recycled catalytic electrodes, Nobian will conduct brine electrolysis, enabling resource recycling in the production of caustic soda and chlorine.
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