Effects of microwave irradiation at various temperatures onbiosludge disintegration

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dc.contributor.authorAlhraishawi, Ali
dc.date.accessioned2025-01-10T08:39:30Z
dc.date.available2025-01-10T08:39:30Z
dc.date.issued18/06/2024
dc.departmentMeslek Yüksekokulları, Sivas Teknik Bilimler Meslek Yüksekokulu
dc.description.abstractThe waste biological sludge disintegration by using microwave irradiationwas investigated at a ramping rate of 2°C/min and 5 min holding time atvarious target temperatures. Significant disintegration of biosludge wasobserved and the highest disintegration degree was determined about82% at the temperature of 110°C. Increase of target temperature elevatedthe energy needs to 98, 123 and 148 kWh/kg TS at the temperatures of75°C, 90°C and 110°C, respectively. The gradual increase of sugar andprotein in the sludge slurry with increasing temperatures indicates suc-cessful degradation. The microwave pretreatment increased the specificsurface area of the sludge by particle size reduction. The specific surfacearea of raw sludge was 70 m2/kg and rose to approximately 253.7 m2/kg at110°C with an increment ratio of 260%. Although a significant NH4–Nrelease was not observed, PO4–P concentrations increased from 11.0 mg/Lto 16.3, 20.7 and 29.2 mg/L at the temperatures of 75°C, 90°C, 110°C,respectively. While the specific filter resistance of waste biological sludgewas about 1.0 × 1013, increasing the microwave target temperature, theability of dewatering decreased and the highest SFR value of 5.1 × 1014was observed at the temperature of 110°C.
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30944
dc.institutionauthorAslan, Şükrü
dc.institutionauthorÖztürk, Mustafa
dc.relation.ispartofInternational Journal of Environmental Health Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleEffects of microwave irradiation at various temperatures onbiosludge disintegration

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