Comparison of constant voltage (CV) and constant current (CC) operation in the membrane capacitive deionisation process

作者: Jae-Hwan Choi

DOI: 10.1080/19443994.2014.942379

关键词: IonDesorptionDesalinationChemistryAdsorptionAnalytical chemistryMembraneCapacitive sensingElectrodeConstant currentPollutionOcean EngineeringWater Science and Technology

摘要: AbstractIn this study, desalination characteristics were systematically compared and analysed during operation of the membrane capacitive deionisation (MCDI) process in constant current (CC) voltage (CV) modes. Operational MCDI such as change effluent concentrations, number adsorbed ions, charge efficiencies energy consumption based on power supply mode. When cell potential was not varied, more ions CV mode than CC However, it determined that desorption proceeded rapidly when performing adsorption Regarding efficiency, exhibited a higher efficiency In particular, decreased beyond 0.8 V due to electrode reactions. contrast, greatly reduced operating with

参考文章(24)
Likun Pan, Xinzheng Wang, Yang Gao, Yanping Zhang, Yiwei Chen, Zhuo Sun, Electrosorption of anions with carbon nanotube and nanofibre composite film electrodes Desalination. ,vol. 244, pp. 139- 143 ,(2009) , 10.1016/J.DESAL.2008.05.019
T.J. Welgemoed, C.F. Schutte, Capacitive Deionization Technology™: An alternative desalination solution Desalination. ,vol. 183, pp. 327- 340 ,(2005) , 10.1016/J.DESAL.2005.02.054
Y.A.C. Jande, W.S. Kim, Desalination using capacitive deionization at constant current Desalination. ,vol. 329, pp. 29- 34 ,(2013) , 10.1016/J.DESAL.2013.08.023
Pei Xu, Jörg E. Drewes, Dean Heil, Gary Wang, Treatment of brackish produced water using carbon aerogel-based capacitive deionization technology. Water Research. ,vol. 42, pp. 2605- 2617 ,(2008) , 10.1016/J.WATRES.2008.01.011
Seok-Jun Seo, Hongrae Jeon, Jae Kwang Lee, Gha-Young Kim, Daewook Park, Hideo Nojima, Jaeyoung Lee, Seung-Hyeon Moon, Investigation on removal of hardness ions by capacitive deionization (CDI) for water softening applications. Water Research. ,vol. 44, pp. 2267- 2275 ,(2010) , 10.1016/J.WATRES.2009.10.020