Evaluation of Gasification Efficiency of Miscellaneous Industrial Sewage Sludges in a Down Draft Fluidized Bed Reactor

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dc.authorscopusid57193118365
dc.authorscopusid57217161560
dc.authorwosidTöre, Günay Yıldız/B-5262-2017
dc.contributor.authorTöre, Günay Yıldız
dc.contributor.authorKar, Yıldırım Beyazıt
dc.date.accessioned2022-05-11T14:17:21Z
dc.date.available2022-05-11T14:17:21Z
dc.date.issued2017
dc.departmentFakülteler, Çorlu Mühendislik Fakültesi, Çevre Mühendisliği Bölümü
dc.description.abstractLimited information is available about energy efficiency evaluation of industrial sewage sludge gasification nowadays. The goal of this study is to determine the best proper feeding waste combination/ combinations of miscellaneous industrial sewage sludges in a down draft fluidized bed pilot-scale gasification reactor to maximize energy recovery. Different industrial sewage sludge samples were taken from dewatering units of wastewater treatment plants of textile, dairy, vegetable and non-vegetable oil, glass and metal industries, located in Thrace Region of Turkey (Thrace Catchment of Area) and characterized in terms of three important indicator parameters (moisture, ash and heating value) for identifying the best feeding waste combination of the reactor which has high gasification efficiency. In addition, the same parameters were also analysed for the char and cyclone dust samples that occurred as a result of gasification process, and then, energy yields of all industrial sewage sludge combinations have been calculated. Results revealed that the majority of sludge samples, apart from metal and glass industries, were found suitable for gasification process in terms of both organic and inorganic contents either alone or in mixture form. The heating value and ash content of vegetable and non-vegetable oil industrial sewage sludge were measured approximately two times higher (average 11,622 kcal. kg(-1) = 48 MJ. kg(-1) for oil and average 5163 kcal. kg(-1) = 21.6 MJ. kg(-1) for dairy) and nearly in the same values (average 9.3% for oil and 9.5% for dairy) compared to dairy industrial sewage sludge, respectively. According to these results, four feeding sludge combinations were determined based on their ash content and heating values. It was found that Combination 1, which has high calorific value and low ash ratio, has the highest energy efficiency (97%), while the other combinations were found below this value. If the proper sludge combination can be identified for a draft fluidized bed gasification reactor, energy efficiency may be increased. Moreover, identifying the best feeding combination for sludge gasification reactor may be the best way to obtain both high energy recovery and low char/tar products and to also minimize industrial sewage sludge before being sent to landfill.
dc.description.sponsorshipScientific Research Council of Namik Kemal UniversityNamik Kemal University [NKUBAP.00.17.YL.12.06]
dc.description.sponsorshipThis paper is associated with MSc. Thesis titled Energy Efficienciy Assesment of a Gasification Plant Using Industrial Sludge funded by the Scientific Research Council of Namik Kemal University via Grant No. NKUBAP.00.17.YL.12.06. An initial version of this paper has been presented at the 13th International Conference on Protection and Restoration of the Environment, Mykonos island, Greece, July 3-8, 2016.
dc.identifier.doi10.1007/s40710-017-0227-x
dc.identifier.endpageS237
dc.identifier.issn2198-7491
dc.identifier.issn2198-7505
dc.identifier.scopus2-s2.0-85042797643
dc.identifier.scopusqualityQ1
dc.identifier.startpageS223
dc.identifier.urihttps://doi.org/10.1007/s40710-017-0227-x
dc.identifier.urihttps://hdl.handle.net/20.500.11776/6327
dc.identifier.volume4
dc.identifier.wosWOS:000414369000017
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorTöre, Günay Yıldız
dc.institutionauthorKar, Yıldırım Beyazıt
dc.language.isoen
dc.publisherSpringer International Publishing Ag
dc.relation.ispartofEnvironmental Processes-An International Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectGasification efficiency
dc.subjectEnergy efficiency
dc.subjectIndustrial sewage sludge
dc.subjectChar and cyclone dust
dc.subjectThermal treatment
dc.subjectAir Gasification
dc.subjectTo-Energy
dc.subjectPyrolysis
dc.titleEvaluation of Gasification Efficiency of Miscellaneous Industrial Sewage Sludges in a Down Draft Fluidized Bed Reactor
dc.typeArticle

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