Treatment of Dyehouse Effluents Using Sequential Combinations of Electrochemical Oxidation, Membrane Separation, and Activated Sludge

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dc.authorid0000-0001-6249-5529
dc.authorscopusid35176620600
dc.authorscopusid55799060400
dc.authorwosidTolga Tunçal, Dr/AAH-2487-2019
dc.contributor.authorTunçal, Tolga
dc.contributor.authorKaygusuz, Tolga
dc.date.accessioned2022-05-11T14:10:24Z
dc.date.available2022-05-11T14:10:24Z
dc.date.issued2014
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Çevre Mühendisliği Bölümü
dc.departmentEnstitüler, Fen Bilimleri Enstitüsü, Çevre Mühendisliği Ana Bilim Dalı
dc.description.abstractReducing water demand in textile sector is one of the important environmental concerns. In this study, individual and combined effects of selected operational parameters on a full-scale electrochemical oxidation (ECO) process treating dyehouse effluent were investigated experimentally. Combinations of variables including current density, wastewater pH, and conductivity resulting in maximum color removal efficiency were determined using the Box-Behnken design method. In addition to color removal, variations in wastewater organic composition before and after ECO were also examined critically. Removal and/or generation of 22 polycyclic aromatic hydrocarbons (PAHs) before and after ECO were investigated under variable operational conditions. Treatability of ECO effluent using conventional activated sludge process was investigated by both full-scale monitoring studies and batch-scale nitrification tests. Toxicity impact of raw, ozonized, and electrochemically treated wastewaters on nitrifiers were also determined and compared. Water reuse and salt recovery alternatives were assessed by full-scale tests in a pilot plant which is composed of nanofiltration (NF), reverse osmosis (RO), and activated sludge processes. Advantages and disadvantages of applying ECO process as a pretreatment prior to membrane-based or biological methods were critically evaluated. The average flux values of NF and RO membranes without ECO were 39 +/- 2 and 19.5 +/- 1 L m(-2) h(-1), respectively. The average flux values of NF and RO membranes without ECO were 39 +/- 2 and 19.5 +/- 1 L m(-2) h(-1), respectively. The permeability of the membranes for raw dyehouse effluent (without ECO) were estimated to be 6.0 +/- 11 and 0.73 +/- 0.6 L m(-2) h(-1) bar(-1) Another important observation was formation of some PAHs including naphthalene, acenaphtylene, anthracene, benzo(a)anthracene, and benzo(g,h,i)perylene as a function of operational conditions maintained in ECO process. (c) 2013 American Institute of Chemical Engineers Environ Prog, 33: 472-481, 2014
dc.description.sponsorshipNamik Kemal University, Tekirdag, TurkeyNamik Kemal University [NKUBAP.00.17.YL.11.04]
dc.description.sponsorshipThis study was supported by the Scientific Research Projects of the Namik Kemal University, Tekirdag, Turkey, under grant number NKUBAP.00.17.YL.11.04.
dc.identifier.doi10.1002/ep.11815
dc.identifier.endpage481
dc.identifier.issn1944-7442
dc.identifier.issn1944-7450
dc.identifier.issue2en_US
dc.identifier.scopus2-s2.0-84899116690
dc.identifier.scopusqualityQ2
dc.identifier.startpage472
dc.identifier.urihttps://doi.org/10.1002/ep.11815
dc.identifier.urihttps://hdl.handle.net/20.500.11776/5388
dc.identifier.volume33
dc.identifier.wosWOS:000334298800018
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorTunçal, Tolga
dc.institutionauthorKaygusuz, Tolga
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofEnvironmental Progress & Sustainable Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectelectrochemical oxidation
dc.subjectPAH removal-generation
dc.subjectnanofiltration
dc.subjectreverse osmosis
dc.subjectmembrane fouling
dc.subjectTextile Waste-Water
dc.subjectDegradation
dc.subjectDecolorization
dc.subjectNitrification
dc.subjectTechnologies
dc.subjectWastewaters
dc.subjectPerformance
dc.subjectPollutants
dc.subjectElectrodes
dc.subjectOzonation
dc.titleTreatment of Dyehouse Effluents Using Sequential Combinations of Electrochemical Oxidation, Membrane Separation, and Activated Sludge
dc.typeArticle

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