Effects of microwave irradiation at various temperatures on biosludge disintegration

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dc.contributor.authorAslan, Sukru
dc.contributor.authorAlhraishawi, Ali
dc.contributor.authorOzturk, Mustafa
dc.date.accessioned2024-10-26T18:05:49Z
dc.date.available2024-10-26T18:05:49Z
dc.date.issued2024
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractThe waste biological sludge disintegration by using microwave irradiation was investigated at a ramping rate of 2 degrees C/min and 5 min holding time at various target temperatures. Significant disintegration of biosludge was observed and the highest disintegration degree was determined about 82% at the temperature of 110 degrees C. Increase of target temperature elevated the energy needs to 98, 123 and 148 kWh/kg TS at the temperatures of 75 degrees C, 90 degrees C and 110 degrees C, respectively. The gradual increase of sugar and protein in the sludge slurry with increasing temperatures indicates successful degradation. The microwave pretreatment increased the specific surface area of the sludge by particle size reduction. The specific surface area of raw sludge was 70 m2/kg and rose to approximately 253.7 m2/kg at 110 degrees C with an increment ratio of 260%. Although a significant NH4-N release was not observed, PO4-P concentrations increased from 11.0 mg/L to 16.3, 20.7 and 29.2 mg/L at the temperatures of 75 degrees C, 90 degrees C, 110 degrees C, respectively. While the specific filter resistance of waste biological sludge was about 1.0 x 1013, increasing the microwave target temperature, the ability of dewatering decreased and the highest SFR value of 5.1 x 1014 was observed at the temperature of 110 degrees C.
dc.description.sponsorshipResearch Fund of Cumhuriyet University (CUBAP) [M-2022-838]
dc.description.sponsorshipThis study was supported by The Research Fund of Cumhuriyet University (CUBAP) under Grant No. [M-2022-838], Sivas, Turkey.
dc.identifier.doi10.1080/09603123.2024.2368138
dc.identifier.issn0960-3123
dc.identifier.issn1369-1619
dc.identifier.pmid38888467
dc.identifier.scopus2-s2.0-85196255769
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1080/09603123.2024.2368138
dc.identifier.urihttps://hdl.handle.net/20.500.12418/29189
dc.identifier.wosWOS:001249800100001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofInternational Journal of Environmental Health Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectBiosludge
dc.subjectdisintegration
dc.subjectmicrowave
dc.titleEffects of microwave irradiation at various temperatures on biosludge disintegration
dc.typeArticle

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