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The Removal of Divalent Anions and Cations from Feed Brine for Chloralkali-Electrolysis Cells by Utilization of Ion Exchange Technology

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Ion Exchange Advances

Abstract

The production of commercial quantities of chlorine gas and alkali-metal-hydroxides is performed by electrolysis of brine solutions in a chloralkali cell.

The most advanced technology for this process requires membrane electrolysis cells. For good performance of these cells there is a demand for high purity brines with extremely low levels of divalent cations ( magnesium, calcium, strontium ) and low levels of sulphate anions.

The following discussion describes how ion exchangers with chelating functional groups meet the required specifications.

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© 1992 United Kingdom Atomic Energy Authority

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Klipper, R.M., Hoffmann, H., Augustin, T. (1992). The Removal of Divalent Anions and Cations from Feed Brine for Chloralkali-Electrolysis Cells by Utilization of Ion Exchange Technology. In: Slater, M.J. (eds) Ion Exchange Advances. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2864-3_54

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  • DOI: https://doi.org/10.1007/978-94-011-2864-3_54

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-85166-882-3

  • Online ISBN: 978-94-011-2864-3

  • eBook Packages: Springer Book Archive

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