Effect of concentrate recirculation on the product water quality of integrated MBR – NF process for wastewater reclamation and industrial reuse

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dc.contributor.authorGündoğdu M.
dc.contributor.authorKabay N.
dc.contributor.authorYiğit N.Ö.
dc.contributor.authorKitiş M.
dc.contributor.authorPek T.Ö.
dc.contributor.authorYüksel M.
dc.date.accessioned2019-10-27T08:00:55Z
dc.date.available2019-10-27T08:00:55Z
dc.date.issued2019
dc.departmentEge Üniversitesien_US
dc.description.abstractIn this study, field tests were performed at the wastewater treatment plant of ITOB-Organized Industrial Zone located in Menderes, Izmir where membrane bioreactor (MBR) process has been employed for wastewater treatment. For advanced treatment of MBR effluent, a mini pilot scale membrane test unit having nanofiltration (NF) membranes was employed. For this study, only NF90 membrane was used for tertiary treatment of different feed mixtures. The feed mixtures were obtained by mixing MBR effluent and concentrate stream of NF90 membrane at different proportions. During field tests, while some amount of concentrate stream of NF90 membrane was sent to the feed tank with MBR effluent to obtain feed mixtures, the remaining part of concentrate stream was discharged to the MBR pool. Water qualities of permeate and feed were investigated by measuring various physicochemical parameters such as total dissolved solid (TDS), salinity, conductivity, pH, turbidity, chemical oxygen demand (COD), total suspended solid (TSS), color, Na + , Ca 2+ , K + , Mg 2+ , HCO 3 - , SO 4 2- , Cl - ,PO 4 -P, NH 4 -N, NO 3 -N, NO 2 -N, total nitrogen (TN), CaCO 3 hardness, total organic carbon (TOC) and SiO 2 concentrations. By increasing the ratio of NF90 concentrate to MBR effluent ratio in the feed mixture, permeate flux and average rejections of some parameters slightly decreased although some of the rejections slightly increased. Quality of product water obtained from various combinations of feed water was investigated and compared with the standards of cooling and boiling feed water for industrial usage. Also, reuse of product water as process water in paper and textile industries was discussed. © 2017 Elsevier Ltden_US
dc.description.sponsorshipMinistry of Industry and Information Technology of the People's Republic of China: 0330.STZ.2013-2en_US
dc.description.sponsorshipThis study was supported by the Ministry of Science, Industry and Technology of Turkish Republic (Project No. 0330.STZ.2013-2). We thank ITOB-OSB for the kind support for our field tests. --en_US
dc.identifier.doi10.1016/j.jwpe.2017.08.023
dc.identifier.issn2214-7144
dc.identifier.issn2214-7144en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jwpe.2017.08.023
dc.identifier.urihttps://hdl.handle.net/11454/24872
dc.identifier.volume29en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofJournal of Water Process Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectMembrane bioreactor (MBR)en_US
dc.subjectNanofiltration (NF)en_US
dc.subjectWaste minimizationen_US
dc.subjectWater reuseen_US
dc.titleEffect of concentrate recirculation on the product water quality of integrated MBR – NF process for wastewater reclamation and industrial reuseen_US
dc.typeArticleen_US

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