Improving the Sludge Disintegration Efficiency of Sonication by Combining With Alkalization and Thermal Pre-Treatment Methods

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dc.contributor.authorSahinkaya, S.
dc.contributor.authorSevimli, M. F.
dc.contributor.authorAygun, A.
dc.date.accessioned2020-03-26T18:30:42Z
dc.date.available2020-03-26T18:30:42Z
dc.date.issued2012
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractOne of the most serious problems encountered in biological wastewater treatment processes is the production of waste activated sludge (WAS). Sonication, which is an energy-intensive process, is the most powerful sludge pre-treatment method. Due to lack of information about the combined pretreatment methods of sonication, the combined pre-treatment methods were investigated and it was aimed to improve the disintegration efficiency of sonication by combining sonication with alkalization and thermal pre-treatment methods in this study. The process performances were evaluated based on the quantities of increases in soluble chemical oxygen demand (COD), protein and carbohydrate. The releases of soluble COD, carbohydrate and protein by the combined methods were higher than those by sonication, alkalization and thermal pre-treatment alone. Degrees of sludge disintegration in various options of sonication were in the following descending order: sono-alkalization > sonothermal pre-treatment > sonication. Therefore, it was determined that combining sonication with alkalization significantly improved the sludge disintegration and decreased the required energy to reach the same yield by sonication. In addition, effects on sludge settleability and dewaterability and kinetic mathematical modelling of pre-treatment performances of these methods were investigated. It was proven that the proposed model accurately predicted the efficiencies of ultrasonic pretreatment methods.en_US
dc.description.sponsorshipSelcuk UniversitySelcuk University [08101005]en_US
dc.description.sponsorshipThe authors thank Selcuk University, Scientific Research Project Funding (S.U. BAP) for their financial support (Project number: 08101005).en_US
dc.identifier.citationSahinkaya, S., Sevimli, M. F., Aygun, A., (2012). Improving the Sludge Disintegration Efficiency of Sonication by Combining With Alkalization and Thermal Pre-Treatment Methods. Water Science and Techology, 65(10), 1809-1816. DOI: 10.2166/wst.2012.074
dc.identifier.doi10.2166/wst.2012.074en_US
dc.identifier.endpage1816en_US
dc.identifier.issn0273-1223en_US
dc.identifier.issn1996-9732en_US
dc.identifier.issue10en_US
dc.identifier.pmid22546796en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1809en_US
dc.identifier.urihttps://dx.doi.org/10.2166/wst.2012.074
dc.identifier.urihttps://hdl.handle.net/20.500.12395/28131
dc.identifier.volume65en_US
dc.identifier.wosWOS:000304195000013en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherIwa Publishingen_US
dc.relation.ispartofWater Science and Techonologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectalkalizationen_US
dc.subjectcombined pre-treatmenten_US
dc.subjectsludge disintegrationen_US
dc.subjectsonicationen_US
dc.subjectthermal pre-treatmenten_US
dc.subjectwaste activated sludgeen_US
dc.titleImproving the Sludge Disintegration Efficiency of Sonication by Combining With Alkalization and Thermal Pre-Treatment Methodsen_US
dc.typeArticleen_US

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