Industrial sludge remediation with photonic treatment using Ti-Ag nano-composite thin films: Persistent organic pollutant removal from sludge matrix

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dc.authorid0000-0001-6249-5529
dc.authorscopusid35176620600
dc.authorscopusid6602558250
dc.authorwosidTolga Tunçal, Dr/AAH-2487-2019
dc.contributor.authorTunçal, Tolga
dc.contributor.authorUslu, Orhan
dc.date.accessioned2022-05-11T14:17:16Z
dc.date.available2022-05-11T14:17:16Z
dc.date.issued2015
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Çevre Mühendisliği Bölümü
dc.description.abstractMechanically dewatered industrial sludge (MDIS) was treated using pure and silver-doped thin films (TFs) grown on quartz substrates. TFs were prepared using a sol-gel dip coating technique. The resulting films were annealed at 450 degrees C for 3 h and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). Mixtures that were homogeneous in the UV A (380 nm) and UVvis (450 nm) regions of the electromagnetic spectrum were used as the irradiation source. The results revealed that illumination with different wavelengths helps to generate well-separated e(-)/h(+) pairs, resulting in a decrease in the recombination rate. An electron transfer chain model was also developed using the experimental results. The performance of the applied method was evaluated by observing variations in the sludge bound water content (SBWC), volatile solids removal rate (VSR), and the consumed and generated energy fluxes through endergonic and exergonic reactions. After treatment, SBWC was reduced from 65% +/- 1% to 39% +/- 1 and the highest VSR was measured to be 27 +/- 0.1 mg VSS cm(-2) h(-1). The consumed and recovered energy fluxes were 960 +/- 151 and 412 +/- 26 J g(-1) VSremoved, respectively. Raw sludge and polychlorinated biphenyls (Sigma 15PCB) and polyaromatic hydrocarbon (Sigma(16)PAH) concentrations were 4356.82 +/- 22 mu g kg(-1) and 446.25 +/- 4.8 mu g kg(-1), respectively. The Sigma(15) PCB and E-16 PAH concentrations in the treated sludge samples were 129.86 +/- 22 mu g kg(-1) and 34.85 +/- 13 mu g kg(-1), respectively. (C) 2014 Elsevier Ltd. All rights reserved.
dc.description.sponsorshipScientific and Technological Research Council of Turkey TUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [111Y209]; Cerkezkoy Organized Industrial Zone Management
dc.description.sponsorshipThis work is founded by The Scientific and Technological Research Council of Turkey TUBITAK (Project 111Y209) and Cerkezkoy Organized Industrial Zone Management.
dc.identifier.doi10.1016/j.jenvman.2014.07.040
dc.identifier.endpage45
dc.identifier.issn0301-4797
dc.identifier.issn1095-8630
dc.identifier.pmid25463569
dc.identifier.scopus2-s2.0-84908225486
dc.identifier.scopusqualityQ1
dc.identifier.startpage37
dc.identifier.urihttps://doi.org/10.1016/j.jenvman.2014.07.040
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6289
dc.identifier.volume149
dc.identifier.wosWOS:000348084000005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorTunçal, Tolga
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofJournal of Environmental Management
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectIndustrial sludge
dc.subjectPhoto-remediation
dc.subjectTiO2 thin film
dc.subjectDewatering
dc.subjectDrying
dc.subjectPAH
dc.subjectPCB
dc.subjectPolycyclic Aromatic-Hydrocarbons
dc.subjectMechanically Dewatered Sludge
dc.subjectSewage-Sludge
dc.subjectPhotocatalytic Activity
dc.subjectWaste Incinerators
dc.subjectNanoparticles
dc.subjectTemperature
dc.subjectAir
dc.titleIndustrial sludge remediation with photonic treatment using Ti-Ag nano-composite thin films: Persistent organic pollutant removal from sludge matrix
dc.typeArticle

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