Modified cation-exchange membrane for phosphate recovery in an electrochemically assisted adsorption-desorption process.

Kostadin V Petrov,Laura Paltrinieri,Lukasz Poltorak,Louis C P M de Smet,Ernst J R Sudhölter

Chemical communications (Cambridge, England)（2020）

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摘要

A novel ion separation methodology using a cation-exchange membrane modified with iron oxide nanoparticles (Fe3O4 NPs) coated with polyhexamethylene guanidine (PHMG) is proposed. The separation is performed in an electrodialysis cell, where firstly phosphate is electro-adsorbed to the PHMG@Fe3O4 NP coating, followed by a desorption step by applying an electric current.

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