Community Research and Development Information Service - CORDIS

Anionic membranes for acid reconcentration and cationic divalent selective membranes

Membranes with improved performances have been produced by radiochemical grafting on fluorinated polymers. The anionic membranes have excellent properties for the reconcentration of acids such as sulphuric acid, hydrochloric acid, nitric acid, hydrogen fluoride and hydrogen bromide. The cationic membranes have stable high proton permselectivity to divalent ions such as calcium and magnesium. These membranes have excellent performances with electrodialysis (ED) and EED processes.

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Usines de Tavaux
39500 Tavaux
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