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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2017.27.5.449

Studies of Performance and Enlarged Capacity through Multi-stages Stacked Module in Membrane Capacitive Deionization Process  

Song, Yye jin (Department of Advanced Materials and Chemical Engineering, Hannam University)
Yun, Won Seob (Department of Advanced Materials and Chemical Engineering, Hannam University)
Rhim, Ji Won (Department of Advanced Materials and Chemical Engineering, Hannam University)
Publication Information
Membrane Journal / v.27, no.5, 2017 , pp. 449-457 More about this Journal
Abstract
In this study, the 10 stages stacked module was designed by increasing the number of unit cells in the membrane capacitive deionization(MCDI) process. The aminated polysulfone and sulfonated poly(ether ether ketone) were synthesized and coated on porous carbon electrode by casting method. The salt removal efficiency was measured for the 10 stage stacked module under the operation conditions of adsorption voltage and time, desorption voltage and time, flow rate and concentration of feed water, and di-valent solutions including $CaSO_4$, $MgCl_2$ and tap water. Typically, when 100 mg/L of NaCl as the feed was used, the salt removal efficiency was 98.3% at a flow rate of 100 mL/min, the adsorption condition of 1.2 V/3 min and desorption condition of -0.5 V/5 min.
Keywords
Salt removal efficiency; Aminated polysulfone; Sulfonated poly(ether ether ketone); membrane capacitive deionization (MCDI); Multi-stage stacked;
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