Abstract
Alkoxysilane octadecyldimethyl (3-trimethoxysilylpropyl)-ammonium chloride (ODDMAC) functionalized graphene oxide (GO) has been used as contact-active electrodes for capacitive deionization disinfection (CDID) at a contaminant concentration of 104 CFU/mL. It was found that, at the voltage of 1.2 V, the disinfection efficiency of this hybrid electrode can reach 99.65% for Escherichia coli (E. Coli), 98.64% for Pseudomonas aeruginosa (P. aeruginosa) and 97.69% for Staphylococcus aureus (S. aureus), respectively. Besides, the possible effects of GO/ODDMAC precursor ratios and salt ion on the disinfection performance of CDID were also carefully investigated. The CDID presented in this work has a promising prospect in terms of the practical water disinfection.
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