期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 54, 期 13, 页码 2112-2125出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2019.1608243
关键词
Electrosorption; Capacitive deionization; Membrane capacitive deionization; Desalination; Overpotential membrane capacitive deionization
资金
- China Scholarship Council [201606250079]
Water electrolysis can hinder the operation of capacitive deionization (CDI) and membrane CDI (MCDI). This study is aimed at investigating the overpotential limits of CDI and MCDI (OP-MCDI) for water electrolysis and desalination performance. For sodium chloride concentrations of similar to 28,460 ppm, MCDI withmesoporous carbon electrodes could be operated at up to 2.4 V without water electrolysis, and the salt-adsorption capacity of the OP-MCDI system at 2.4 V was about two times greater than that of the MCDI at 1.2 V. This study offers an opportunity to extend the applicability of conventional CDI and MCDI systems for desalination of low-salinity solutions.
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