Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10236
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dc.contributor.authorJarma, Yakubu A.-
dc.contributor.authorKaraoğlu, Aslı-
dc.contributor.authorTekin, Özge-
dc.contributor.authorBaba, Alper-
dc.contributor.authorÖkten, H.Eser-
dc.contributor.authorTomaszewska, Barbara-
dc.contributor.authorKabay, Nalan-
dc.date.accessioned2021-01-24T18:33:10Z-
dc.date.available2021-01-24T18:33:10Z-
dc.date.issued2021-
dc.identifier.issn0304-3894-
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2020.124129-
dc.identifier.urihttps://hdl.handle.net/10236-
dc.description.abstractOne of the factors that determine agricultural crops’ yield is the quality of water used during irrigation. In this study, we assessed the usability of spent geothermal water for agricultural irrigation after membrane treatment. Preliminary membrane tests were conducted on a laboratory-scale set up followed by mini-pilot scale tests in a geothermal heating center. In part I, three commercially available membranes (XLE BWRO, NF90, and Osmonics CK- NF) were tested using a cross-flow flat-sheet membrane testing unit (Sepa CF II, GE-Osmonics) under constant applied pressure of 20 bar. In part II, different spiral wound membranes (TR-NE90-NF, TR-BE-BW, and BW30) other than the ones used in laboratory tests were employed for the mini-pilot scale studies in a continuous mode. Water recovery and applied pressure were maintained constant at 60% and 12 bar, respectively. Performances of the membranes were assessed in terms of the permeate flux, boron and arsenic removals. In laboratory tests, the permeate fluxes were measured as 94.3, 87.9, and 64.3 L m?2 h?1 for XLE BWRO, CK-NF and NF90 membranes, respectively. The arsenic removals were found as 99.0%, 87.5% and 83.6% while the boron removals were 56.8%, 54.2%, and 26.1% for XLE BWRO, NF90 and CK-NF membranes, respectively. In field tests, permeate fluxes were 49.9, 26.8 and 24.0 L m?2 h?1 for TR-NE90-NF, BW30-RO and TR-BE-BW membranes, respectively. Boron removals were calculated as 49.9%, 44.1% and 40.7% for TR-BE-BW, TR-NE90-NF and BW30-RO membranes, respectively. Removal efficiencies of arsenic in mini-pilot scale membrane tests were all over 90%. Quality of the permeate water produced was suitable for irrigation in terms of the electrical conductivity (EC) and the total dissolved solids (TDS) for all tested membranes with respect to guidelines set by the Turkish Ministry of Environment and Urbanisation (TMEU). However, XLE BWRO, CK-NF and NF90 membranes failed to meet the required limits for irrigation in terms of boron and arsenic concentrations in the product water. The permeate streams of TR-BE-BW, TR-NE90-NF and BW30-RO membranes complied with the irrigation water standards in terms of EC, TDS and arsenic concentration while boron concentration remained above the allowable limit. © 2020 Elsevier B.V.en_US
dc.description.sponsorshipThis study was supported by an international research project supported by TÜBITAK-NCBR (Project No: 118Y490-POLTUR3/Geo4Food/4/2019). The authors would like to acknowledge TÜBITAK for financial support and scholarships to our students working for the project. Y.A. Jarma would like to thank the Presidency for Turks Abroad and Related Communities (YTB) for PhD scholarship. We are grateful to Izmir Geothermal Energy Co., Izmir, for allowing us to install our mini-pilot system in their field.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal of Hazardous Materialsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectArsenicen_US
dc.subjectBoronen_US
dc.subjectGeothermal wateren_US
dc.subjectIrrigation wateren_US
dc.subjectMembraneen_US
dc.subjectNanofiltration (NF)en_US
dc.subjectReverse osmosis (RO)en_US
dc.titleAssessment of different nanofiltration and reverse osmosis membranes for simultaneous removal of arsenic and boron from spent geothermal wateren_US
dc.typeArticleen_US
dc.institutionauthorBaba, Alper-
dc.institutionauthorÖkten, H.Eser-
dc.departmentİzmir Institute of Technology. Environmental Engineeringen_US
dc.identifier.wosWOS:000616151300009en_US
dc.identifier.scopus2-s2.0-85092890670en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.jhazmat.2020.124129-
dc.identifier.pmid33082019en_US
dc.relation.doi10.1016/j.jhazmat.2020.124129en_US
dc.coverage.doi10.1016/j.jhazmat.2020.124129en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
dc.identifier.wosqualityttpTop10%en_US
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairetypeArticle-
item.cerifentitytypePublications-
crisitem.author.dept03.03. Department of Civil Engineering-
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Environmental Engineering / Çevre Mühendisliği
IZTECH Research Centers Collection / İYTE Araştırma Merkezleri Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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