Optimization of two-stage seawater reverse osmosis membrane processes with practical design aspects for improving energy efficiency
DC Field | Value | Language |
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dc.contributor.author | Kim, Jungbin | - |
dc.contributor.author | Park, Kiho | - |
dc.contributor.author | Hong, Seungkwan | - |
dc.date.accessioned | 2021-08-31T08:27:51Z | - |
dc.date.available | 2021-08-31T08:27:51Z | - |
dc.date.created | 2021-06-18 | - |
dc.date.issued | 2020-03-01 | - |
dc.identifier.issn | 0376-7388 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/57350 | - |
dc.description.abstract | While single-stage is the general configuration for seawater reverse osmosis (SWRO), the two-stage design can increase the overall recovery of an SWRO system. Due to its high-recovery operation, the specific energy consumption (SEC) of two-stage SWRO is higher than that of single-stage. Thus, the two-stage configuration has not been extensively applied in the current desalination market. In contrast, recent studies have reported that the two-stage design can lower the SEC of SWRO compared to that of single-stage. However, the analyses were biased towards SEC, and the practical design aspects (e.g., permeate quality, water flux, and design ratios) were not systemically considered. Thus, this study examines the applicability of a two-stage SWRO system with a capacity of 100,000 m(3)/d that employs 1200 pressure vessels (PVs). Two-stage SWRO actually consumed a greater amount of energy than that of single-stage for typical SWRO recovery with the same number of PVs. In contrast, single- and two-stage SWRO produced permeate similar in quality, while the two-stage exhibited superior water-flux distribution along the PVs. Additionally, optimal ratios of permeate flow rate and number of PVs were determined by energy recovery devices type, where the ratio of 1:2 was selected for the reverse osmosis system with a pressure exchanger and 2:1 for that with a Pelton turbine. Considering SEC and other operational aspects, the use of two-stage SWRO was feasible at a 50-70% recovery rate. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER | - |
dc.subject | WASTE-WATER | - |
dc.subject | DESALINATION | - |
dc.subject | OPERATION | - |
dc.subject | RECOVERY | - |
dc.subject | SYSTEM | - |
dc.subject | TECHNOLOGIES | - |
dc.subject | FEASIBILITY | - |
dc.subject | CONSUMPTION | - |
dc.subject | REMOVAL | - |
dc.subject | FUTURE | - |
dc.title | Optimization of two-stage seawater reverse osmosis membrane processes with practical design aspects for improving energy efficiency | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Hong, Seungkwan | - |
dc.identifier.doi | 10.1016/j.memsci.2020.117889 | - |
dc.identifier.scopusid | 2-s2.0-85078961788 | - |
dc.identifier.wosid | 000519189100031 | - |
dc.identifier.bibliographicCitation | JOURNAL OF MEMBRANE SCIENCE, v.601 | - |
dc.relation.isPartOf | JOURNAL OF MEMBRANE SCIENCE | - |
dc.citation.title | JOURNAL OF MEMBRANE SCIENCE | - |
dc.citation.volume | 601 | - |
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 | Polymer Science | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.relation.journalWebOfScienceCategory | Polymer Science | - |
dc.subject.keywordPlus | WASTE-WATER | - |
dc.subject.keywordPlus | DESALINATION | - |
dc.subject.keywordPlus | OPERATION | - |
dc.subject.keywordPlus | RECOVERY | - |
dc.subject.keywordPlus | SYSTEM | - |
dc.subject.keywordPlus | TECHNOLOGIES | - |
dc.subject.keywordPlus | FEASIBILITY | - |
dc.subject.keywordPlus | CONSUMPTION | - |
dc.subject.keywordPlus | REMOVAL | - |
dc.subject.keywordPlus | FUTURE | - |
dc.subject.keywordAuthor | Seawater reverse osmosis | - |
dc.subject.keywordAuthor | Staged configurations | - |
dc.subject.keywordAuthor | Energy efficiency | - |
dc.subject.keywordAuthor | Specific energy consumption | - |
dc.subject.keywordAuthor | Design ratios | - |
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