Improving Thermal Dewatering Characteristics of Mechanically Dewatered Sludge: Response Surface Analysis of Combined Lime-Heat Treatment

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dc.authorid0000-0001-6249-5529
dc.authorscopusid35176620600
dc.authorwosidTolga Tunçal, Dr/AAH-2487-2019
dc.contributor.authorTunçal, Tolga
dc.date.accessioned2022-05-11T14:17:11Z
dc.date.available2022-05-11T14:17:11Z
dc.date.issued2011
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Çevre Mühendisliği Bölümü
dc.description.abstractIn this study, disintegration of dewatered sludge (dry solids content [DS%] = 23 +/- 2) was studied to assess the possibility of enhancing the overall performance of a thermal dewatering processes. Powdered lime was used as an alkaline disintegrator. The combined effects of drying temperature, powdered lime dosage, and organic content on the thermal drying rate of dewatered sludge were investigated in a full-scale wastewater treatment plant. Effects of selected design parameters on the sludge drying rate were modeled using a response surface method. In addition, the possible interaction between lost on ignition and total organic carbon parameters also was investigated statistically. Specific resistance to filtration and free water contents of raw and disintegrated mixed sludge (DS% = 1.0 to 1.8) samples were compared statistically. The obtained results indicated that all of the selected design parameters have a significant effect on thermal dewatering characteristics, and the alkaline disintegration technique could remarkably improve thermal evaporation rate of dewatered sludge. These results are important because they could help to establish a sustainable sludge management model, which is critical in reducing environmental health risks. Water Environ. Res., 83, 405 (2011).
dc.description.sponsorshipIzmir Metropolitan Municipality, Water, and Sewerage Administration General DirectorateBelediyeler
dc.description.sponsorshipThis study was supported by the Izmir Metropolitan Municipality, Water, and Sewerage Administration General Directorate. The author gratefully acknowledges the constructive comments of the editor and reviewers, who improved the quality of this paper.
dc.identifier.doi10.2175/106143017X15131012152735
dc.identifier.endpage410
dc.identifier.issn1061-4303
dc.identifier.issn1554-7531
dc.identifier.issue5en_US
dc.identifier.pmid21657191
dc.identifier.scopus2-s2.0-79960297837
dc.identifier.scopusqualityQ2
dc.identifier.startpage405
dc.identifier.urihttps://doi.org/10.2175/106143017X15131012152735
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6243
dc.identifier.volume83
dc.identifier.wosWOS:000289837000003
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorTunçal, Tolga
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofWater Environment Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectdewatered sludge
dc.subjectresponse surface method
dc.subjectBox-Behnken design
dc.subjecttotal organic carbon
dc.subjectspecific resistance to filtration
dc.subjectfree water content
dc.subjectWaste Activated-Sludge
dc.subjectSewage-Sludge
dc.subjectUltrasonic Treatment
dc.subjectDewaterability
dc.subjectDisintegration
dc.subjectDigestion
dc.subjectBiosolids
dc.titleImproving Thermal Dewatering Characteristics of Mechanically Dewatered Sludge: Response Surface Analysis of Combined Lime-Heat Treatment
dc.typeArticle

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