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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.1.60

Performance Study of Membrane Capacitive Deionization Process Applied by Perfluoropolymer and Aminated Poly(ether imide) Ion Exchange Membranes  

Kim, Ji Seon (Department of Chemical Engineering, Hannam University)
Jeong, Joo Hwan (Department of Chemical Engineering, Hannam University)
Rhim, Ji Won (Department of Chemical Engineering, Hannam University)
Publication Information
Membrane Journal / v.25, no.1, 2015 , pp. 60-66 More about this Journal
Abstract
To investigate the performance of the composite carbon electrodes which the ion exchange polymers were directly casted onto porous carbon electrode surfaces, the adsorption/desorption experiments were carried out by varying the feed concentration, feed flow rate, and desorption voltages for the NaCl solution. When the feed concentration was 100 mg/L, the increase of the adsorption time led to the increase of the salt removal due to the increase of the residence time inside the cell while the increase of the feed flow rate from 15 mL/min to 23 mL/min gave the decrease of the salt removal efficiency, 12% because of the short residence time. When the feed concentration was 200 mg/L, the salt removal was shown 10~15% low because of the incomplete desorption within the desorption intervals.
Keywords
CDI (Capacitive deionization); MCDI (Membrane capacitive deionization); Perfluorosulfopolymer; Aminated poly(ether imide); Ion exchange membrane;
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Times Cited By KSCI : 7  (Citation Analysis)
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