Emission characteristics of co-combustion of a low calorie and high sulfur-lignite coal and woodchips in a circulating fluidized bed combustor: Part 1. Effect of excess air ratio

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dc.contributor.authorVarol, Murat
dc.contributor.authorAtimtay, Aysel T.
dc.contributor.authorOlgun, Hayati
dc.contributor.authorAtakul, Husnu
dc.date.accessioned2019-10-27T22:06:23Z
dc.date.available2019-10-27T22:06:23Z
dc.date.issued2014
dc.departmentEge Üniversitesien_US
dc.description.abstractIn this study, co-combustion of Bursa-Orhaneli lignite and woodchips mixtures containing 10%, 30% and 50% by wt. of woodchips was studied in a circulating fluidized bed combustor in order to investigate the effect of excess air ratio (k) on the flue gas emissions. The combustor has an inside diameter of 108 mm and a height of 6 m. The temperature of the combustor is kept at 850 degrees C during the combustion tests. During the combustion tests, CO, O-2, NO, and SO2 emissions in the flue gas was continuously measured and recorded by ABB-AO 2000 flue gas analyzer. The results of the tests showed that increasing excess air had a cooling effect on the combustor, but at the same time it also provided smoother temperature profile along the combustor. In order to get minimum flue gas emissions, the optimum excess air ratios for the co-combustion tests of fuel mixture including 10%, 30% and 50% by wt. of woodchips were determined to be 1.18, 1.32 and 1.41, respectively. While woodchips addition to the lignite made CO emissions worse, it did not change NO emission. CO and NO emissions were below the limits but SO2 emission was above the limit for the case of 10% and 30% woodchips co-combustion at optimum excess air ratio. In the case of 50% woodchips co-combustion, SO2 and NO emissions were under the limits but CO emission was a little above the limit at optimum excess air ratio. (C) 2013 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipTurkish Scientific and Technical Research Council-TUBITAKTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [KAMAG-105G023]en_US
dc.description.sponsorshipThe financial support provided to this project by the Turkish Scientific and Technical Research Council-TUBITAK (Project Code: KAMAG-105G023) is greatly appreciated.en_US
dc.identifier.doi10.1016/j.fuel.2013.09.051
dc.identifier.endpage800en_US
dc.identifier.issn0016-2361
dc.identifier.issn1873-7153
dc.identifier.issn0016-2361en_US
dc.identifier.issn1873-7153en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage792en_US
dc.identifier.urihttps://doi.org/10.1016/j.fuel.2013.09.051
dc.identifier.urihttps://hdl.handle.net/11454/48789
dc.identifier.volume117en_US
dc.identifier.wosWOS:000327766900090en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofFuelen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCo-combustionen_US
dc.subjectCirculating fluidized beden_US
dc.subjectWoodchipsen_US
dc.subjectExcess air ratioen_US
dc.subjectEmissionsen_US
dc.titleEmission characteristics of co-combustion of a low calorie and high sulfur-lignite coal and woodchips in a circulating fluidized bed combustor: Part 1. Effect of excess air ratioen_US
dc.typeArticleen_US

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