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Tianfei Chu,Mengmeng Cheng,Shifeng Hou,Yanzhao Yang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.120 No.-
Effective removal of excess manganese ions (Mn2+) from water is urgently needed to maintain humanhealth and ecological balance. To date, electrochemical deposition (ED) techniques have been widelyused for their simplicity and flexibility, while the active surface area and reliability of electrodes are stillmajor issues. Herein, modified graphite papers (MGP) fabricated by the anionic intercalation methodwere used as the working electrode to remove Mn2+ from wastewater via the electrochemical depositionmethod. The results showed that the highest removal of Mn2+ by MGP-E was achieved when the voltagewas 1.0 V, the deposition time was 6 h, and the pH value of the wastewater was 3.0. Under the aboveparameters, the removal rate of Mn2+ in simulated wastewater can reach over 99.73 %, while the removalrates in industrial wastewater and groundwater can reach 96.20 % and 99.27 %, respectively, which canmeet the standard of water treatment. The related tests confirmed that the deposition process had excellentcycling stability and low energy consumption. This study may provide an economical, sustainableand efficient electrode material for Mn2+ removal from industrial wastewater and groundwater via electrochemicaldeposition technology.
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