Feasibility study of reverse osmosis-flow capacitive deionization (RO-FCDI) for energy-efficient desalination using seawater as the flow-electrode aqueous electrolyte
DC Field | Value | Language |
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dc.contributor.author | Chung, Hyun Jun | - |
dc.contributor.author | Kim, Jungbin | - |
dc.contributor.author | Kim, David Inhyuk | - |
dc.contributor.author | Gwak, Gimun | - |
dc.contributor.author | Hong, Seungkwan | - |
dc.date.accessioned | 2021-08-31T04:36:33Z | - |
dc.date.available | 2021-08-31T04:36:33Z | - |
dc.date.created | 2021-06-19 | - |
dc.date.issued | 2020-04-01 | - |
dc.identifier.issn | 0011-9164 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/56688 | - |
dc.description.abstract | Seawater reverse osmosis (SWRO) is usually combined with brackish reverse osmosis (BWRO) to improve the water quality in seawater desalination; however, this configuration often results in high energy consumption. Consequently, membrane capacitive deionization (MCDI) has been suggested as a lower energy alternative technology, but cyclic operation within the cell (i.e., discontinuous operation of ad/desorption) is a main disadvantage. On the other hand, flow electrode capacitive deionization (FCDI) can be continuously operated by using a flow electrode. In this study, the feasibility of a SWRO-FCDI system was examined by using a suitable electrolyte in the flow electrode: seawater or SWRO concentrate. In addition, by employing a selective ion exchange membrane (IEM), the FCDI was able to selectively remove monovalent ions rather than divalent ions, unlike BWRO, thus producing a final product water containing divalent ions, which is more suitable for corrosion control in the subsequent pipe distribution systems. As a result, the remineralization process can be minimized. To test the SWRO-FCDI concept, actual SWRO permeate was first treated in a single mode with an electrolyte comprising real seawater in a flow electrode, and the feasibility of long-term operation was proven by batch-mode, which allowed the optimization of the FCDI active area. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | WATER DESALINATION | - |
dc.subject | MEMBRANE | - |
dc.subject | PERFORMANCE | - |
dc.subject | REMINERALIZATION | - |
dc.subject | CONSUMPTION | - |
dc.subject | ADSORPTION | - |
dc.subject | REJECTION | - |
dc.subject | RECOVERY | - |
dc.subject | DIVALENT | - |
dc.subject | DESIGN | - |
dc.title | Feasibility study of reverse osmosis-flow capacitive deionization (RO-FCDI) for energy-efficient desalination using seawater as the flow-electrode aqueous electrolyte | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Hong, Seungkwan | - |
dc.identifier.doi | 10.1016/j.desal.2020.114326 | - |
dc.identifier.scopusid | 2-s2.0-85078137949 | - |
dc.identifier.wosid | 000518494500012 | - |
dc.identifier.bibliographicCitation | DESALINATION, v.479 | - |
dc.relation.isPartOf | DESALINATION | - |
dc.citation.title | DESALINATION | - |
dc.citation.volume | 479 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Engineering | - |
dc.relation.journalResearchArea | Water Resources | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.relation.journalWebOfScienceCategory | Water Resources | - |
dc.subject.keywordPlus | WATER DESALINATION | - |
dc.subject.keywordPlus | MEMBRANE | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | REMINERALIZATION | - |
dc.subject.keywordPlus | CONSUMPTION | - |
dc.subject.keywordPlus | ADSORPTION | - |
dc.subject.keywordPlus | REJECTION | - |
dc.subject.keywordPlus | RECOVERY | - |
dc.subject.keywordPlus | DIVALENT | - |
dc.subject.keywordPlus | DESIGN | - |
dc.subject.keywordAuthor | Flow electrode capacitive deionization (FCDI) | - |
dc.subject.keywordAuthor | Seawater reverse osmosis (SWRO) desalination | - |
dc.subject.keywordAuthor | Flow electrodes | - |
dc.subject.keywordAuthor | Perm-selective ion exchange membrane (IEM) | - |
dc.subject.keywordAuthor | Specific energy consumption (SEC) | - |
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