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Cho, Kyung Hwa
Water-Environmental Informatics Lab (WEIL)
Research Interests
  • Water Quality Monitoring and Modeling, Water Treatment Process Modeling

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Investigating the influence of catholyte salinity on seawater battery desalination

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dc.contributor.author Park, Sanghun ko
dc.contributor.author Ligaray, Mayzonee ko
dc.contributor.author Kim, Youngsik ko
dc.contributor.author Chon, Kangmin ko
dc.contributor.author Son, Moon ko
dc.contributor.author Cho, Kyung Hwa ko
dc.date.available 2021-04-08T08:28:50Z -
dc.date.created 2021-04-05 ko
dc.date.issued 2021-06 ko
dc.identifier.citation DESALINATION, v.506, pp.115018 ko
dc.identifier.issn 0011-9164 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/52645 -
dc.description.abstract The seawater battery (SWB) is a promising desalination technology that utilizes abundant sodium ions as an energy storage medium. Recently, the alternative desalination system, seawater battery desalination (SWB-D), was developed by placing an SWB next to the desalination compartment. This SWB-D system can desalt water while charging the SWB next to it. However, only a fixed catholyte solution has been investigated, although the catholytes impact the overall SWB-D performance. Therefore, we evaluated the effect of different catholytes on the desalination performance. High-saline reverse osmosis (RO) concentrate or brackish water exhibited excellent salt removal capability (>85.3% of sodium and >76.6% of chloride ions) with relatively short operation times (36.4 h for RO concentrate and 39.5 h for brackish water) upon charging, whereas the relatively low-saline river water showed the longest operation time (81.0 h), implying that river water should be excluded as a potential catholyte. The amount of desalinated water was marginally reduced due to osmosis through the anion exchange membrane; however, the amount of treated salt was >82.9% even after the reduction in water volume. These findings suggest that the catholyte with a resistance of >0.041 k??cm can be ideal for the SWB-D. ko
dc.language 영어 ko
dc.publisher ELSEVIER ko
dc.title Investigating the influence of catholyte salinity on seawater battery desalination ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85101662967 ko
dc.identifier.wosid 000630869300001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.desal.2021.115018 ko
dc.identifier.url http://www.sciencedirect.com.ssl.openlink.unist.ac.kr:8080/science/article/pii/S0011916421000898 ko
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