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dc.contributor.authorHong, Pei-Ying
dc.contributor.authorMoosa, Nasir
dc.contributor.authorMink, Justine
dc.date.accessioned2015-09-03T12:15:18Z
dc.date.available2015-09-03T12:15:18Z
dc.date.issued2015-08-27
dc.identifier.citationDynamics of microbial communities in an integrated ultrafiltration–reverse osmosis desalination pilot plant located at the Arabian Gulf 2015:1 Desalination and Water Treatment
dc.identifier.issn1944-3994
dc.identifier.issn1944-3986
dc.identifier.doi10.1080/19443994.2015.1083483
dc.identifier.urihttp://hdl.handle.net/10754/576458
dc.description.abstractThis study demonstrated the use of high-throughput sequencing to assess the efficacy of an integrated ultrafiltration (UF)–reverse osmosis (RO) desalination pilot plant located at the Arabian Gulf, and to identify potential microbial-associated problems that may arise in this plant. When integrated into the desalination treatment system, the UF membranes were able to serve as a good pretreatment strategy to delay RO fouling by achieving up to 1.96-log removal of cells from the seawater. Consequently, the differential pressure of the RO membrane remained around 1 bar for the entire six-month study, suggesting no significant biofouling performance issue identified for this RO system. Examples of microbial populations effectively removed by the UF membranes from the feed waters included Nitrosoarchaeum limnia and phototrophic eukaryotes. Microbial-associated problems observed in this pilot plant included the presence of Pseudomonas spp. in coexistence with Desulfovibrio spp. These two bacterial populations can reduce sulfate and produce hydrogen sulfide, which would in turn cause corrosion problems or compromise membrane integrities. Chemical-enhanced backwashing (CEB) can be used as an effective strategy to minimize the associated microbial problems by removing bacterial populations including sulfate reducers from the UF membranes.
dc.language.isoen
dc.publisherInforma UK Limited
dc.relation.urlhttp://www.tandfonline.com/doi/full/10.1080/19443994.2015.1083483
dc.rightsThis is an Accepted Manuscript of an article published by Taylor & Francis in Desalination and Water Treatment on 27 Aug 2015, available online: http://wwww.tandfonline.com/doi/full/10.1080/19443994.2015.1083483.
dc.subjectHigh-throughput sequencing
dc.subjectBiofouling
dc.subjectChemical-enhanced backwashing
dc.subjectPseudomonas
dc.subjectSulfate reducers
dc.titleDynamics of microbial communities in an integrated ultrafiltration–reverse osmosis desalination pilot plant located at the Arabian Gulf
dc.typeArticle
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentEnvironmental Science and Engineering Program
dc.contributor.departmentWater Desalination and Reuse Research Center (WDRC)
dc.identifier.journalDesalination and Water Treatment
dc.eprint.versionPost-print
dc.contributor.institutionDow KSA R&D Center, Dow Saudi Arabia Company, KAUST Research Park Innovation Cluster Building 3, Thuwal 23955-6900, Saudi Arabia
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)
kaust.personHong, Pei-Ying
refterms.dateFOA2016-08-27T00:00:00Z
dc.date.published-online2015-08-27
dc.date.published-print2016-07-26


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