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The charging and discharging processes of conducting polymers, e.g. polypyrrole (PPy), are accompanied by the exchange of ions. This ion exchanger ability was used to develop an electrochemically switchable ion exchanger for softening drinking water. Ion exchanger electrodes based on modified PPy nanoparticles were prepared and their applicability was tested. A special cell arrangement containing...
A study has been carried out in order to establish the possibility for natural water coagulation via its treatment with strong acid cation exchangers modified with FeCl 3 or Al 2 (SO 4 ) 3 . Various trademarks of ion exchangers have been used, such as Wofatit KPS, Wofatit KS-10, Lewatit S-100, Varion KSM, Amberlite 200 C and Duolite C-26. It has been found that, while...
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