Two-Stage ORC Integration to an Existing Fluidized Bed Sewage Sludge Incineration Plant for Power Production in the Scope of Waste-to-Energy

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dc.contributor.authorAbusoglu, A.
dc.contributor.authorTozlu, A.
dc.contributor.authorAnvari-Moghaddam, A.
dc.date.accessioned2024-10-04T18:54:06Z
dc.date.available2024-10-04T18:54:06Z
dc.date.issued2022
dc.departmentBayburt Üniversitesien_US
dc.description.abstractThis paper presents the design, evaluation, and optimization of an electricity generation system based on the two-stage organic Rankine cycle (TS-ORC), which utilizes the waste heat of an existing fluidized bed sewage sludge incineration (FBSSI) facility. The facility incinerates an average of 300 tons per day of sewage sludge with a dry matter content of 22%. After the drying process, the sewage sludge is burned in a fluidized bed combustor, and exhaust gas at a temperature of about 850-900 degrees C is released due to the combustion. The system provides the energy required to dry the sludge from this exhaust gas. In this study, a TS-ORC is designed to be coupled to the exhaust gas flowlines discharged to the atmosphere at two different points in the FBSSI plant. The exergy efficiency of the FBSSI facility is found to be 70.5%. Three different working fluids are selected to examine the variations of thermodynamic and thermoeconomic performance parameters of the designed TS-ORC system. The highest power generation in the TSORC system (183.40 kW) is achieved using R1234yf as working fluid. R1234yf is also the most expensive fluid for electricity generation among the other working fluids (10.57 $/h). The least electricity generation in the TS-ORC (142.70 kW) occurs at the thermoeconomically most affordable cost with R245fa (9.35 $/h).en_US
dc.description.sponsorshipDanida Fellowship Centre; Ministry of Foreign Affairs of Denmark [18-M06-AAU]en_US
dc.description.sponsorshipThe authors acknowledge the support of the HeatReFlex-Green and Flexible District Heating/Cooling project (www.heatreflex.et.aau.dk) funded by the Danida Fellowship Centre and the Ministry of Foreign Affairs of Denmark to research in growth and transition countries under the grant no. 18-M06-AAU.en_US
dc.identifier.doi10.5541/ijot.994813
dc.identifier.endpage121en_US
dc.identifier.issn1301-9724
dc.identifier.issn2146-1511
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85128587366en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage109en_US
dc.identifier.urihttps://doi.org/10.5541/ijot.994813
dc.identifier.urihttp://hdl.handle.net/20.500.12403/3862
dc.identifier.volume25en_US
dc.identifier.wosWOS:000819868400011en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInt Center Applied Thermodynamicsen_US
dc.relation.ispartofInternational Journal of Thermodynamicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFluidized bed sewage sludge incinerationen_US
dc.subjectORCen_US
dc.subjectthermodynamicen_US
dc.subjectthermoeconomyen_US
dc.subjectwaste to energyen_US
dc.subjectmulti-objective optimizationen_US
dc.titleTwo-Stage ORC Integration to an Existing Fluidized Bed Sewage Sludge Incineration Plant for Power Production in the Scope of Waste-to-Energyen_US
dc.typeArticleen_US

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