Determination of energy value and ash-sulfur content of clean fuel obtained from lignite carbonization at different heating rates

dc.authorid0000-0002-3309-9719en_US
dc.contributor.authorAksoğan Korkmaz, Aydan
dc.date.accessioned2022-03-21T12:56:59Z
dc.date.available2022-03-21T12:56:59Z
dc.date.issued2021en_US
dc.departmentMTÖ Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractCarbonization (low-temperature pyrolysis) is an economical and efficient method used to obtain solid products from lignite and improve calorific value. This research focused on the morphological and structural properties as well as the effect of pyrolysis heating rate on the solid product yield. Experiments were performed at 500°C, with a nitrogen gas flow of 200 mL/min, residence time of 60 min, and different heating rates (5, 10, 15, and 20°C/min). Proximate and ultimate analyses of the char products obtained from each experiment were performed. The changes in the char morphology and chemical structures were investigated via scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and the Brunauer-Emmett-Teller (BET) method. The effects of the different heating rates on the char structure were determined. The highest char yield (52.98%) and the highest C (49.45%) and the lowest S (2.51%) contents were determined in the char obtained from a heating rate of 15°C/min. The highest calorific value (5603 kcal/kg) was also calculated at this heating rate. These results showed that the chemical and physical properties of char at a heating rate of 15°C/min were better than those at other heating rates. As a result, a valuable solid fuel with high energy value could be obtained from low quality lignite.en_US
dc.identifier.citationKorkmaz, A. A. (2021). Determination of energy value and ash-sulfur content of clean fuel obtained from lignite carbonization at different heating rates. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 1-13.en_US
dc.identifier.doi10.1080/15567036.2021.2021331
dc.identifier.endpage56en_US
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85122103669en_US
dc.identifier.startpage44en_US
dc.identifier.urihttps://doi.org/10.1080/15567036.2021.2021331
dc.identifier.urihttps://hdl.handle.net/20.500.12899/741
dc.identifier.volume44en_US
dc.identifier.wosWOS:000736428200001en_US
dc.identifier.wosqualityQ3en_US
dc.language.isoenen_US
dc.relation.ispartofENERGY SOURCES, PART A: RECOVERY, UTILIZATION, AND ENVIRONMENTAL EFFECTSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLigniteen_US
dc.subjectcarbonizationen_US
dc.subjectpyrolysisen_US
dc.subjectcharen_US
dc.subjectheating rateen_US
dc.titleDetermination of energy value and ash-sulfur content of clean fuel obtained from lignite carbonization at different heating ratesen_US
dc.typeArticleen_US

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