Flue gas-to-ash desulfurization of combustion of textile dyeing sludge: Its dependency on temperature, lignocellulosic residue, and CaO

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dc.authorid0000-0003-1099-4363
dc.authorid0000-0002-9660-8699
dc.authorid0000-0001-6403-7580
dc.contributor.authorHuang, Jianli
dc.contributor.authorWu, Xieyuan
dc.contributor.authorLiu, Jingyong
dc.contributor.authorChang, Kenlin
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorLiang, Guanjie
dc.date.accessioned2021-06-23T18:57:32Z
dc.date.available2021-06-23T18:57:32Z
dc.date.issued2020
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.description.abstractFlue gas-to-ash controls on sulfur (S) species of the combustion of textile dyeing sludge (TDS) are pivotal in the achievement of circular and cleaner economies. This experimental study aimed to characterize S transformations in TDS as a function of temperature (600–1000 °C) and blend ratios of spent mushroom substrate (SMS) and calcium oxide (CaO) through thermodynamic equilibrium simulations. The conversion ratio of S to flue gas from the mono-combustion of TDS rose by 29.7% between 600 and 1000 °C and was 92.9% at 1000 °C. The increasing sulfur dioxide (SO2) emission with the high temperature occurred from the decomposition of sulfates. The conversion of S to SO2 decreased significantly with an increase in SMS from 10 to 50% and enhanced the S distribution in fly ash. Potassium and phosphorous in SMS appeared to play a significant role in the conversion of S. The addition of CaO exhibited a good desulfurization performance, with the S content of ash peaking at 5.2% at 800 °C with 7% CaO. The desulfurization efficiency of CaO highly depended on the temperature and blend ratios. The addition of SMS facilitated the agglomeration to form large particles at 1000 °C and formed more micro pores on their surfaces. Our equilibrium simulations pointed to the important role of CaO-assisted co-combustion versus mono-combustion of TDS in the S retention as well as to the enhanced decomposition of calcium sulfate (CaSO4) by SMS. Chlorine had a better affinity toward potassium to promote the release of gaseous potassium chloride (KCl) which in turn appeared to react with SO2 in flue gas and formed sulfates through sulfation reaction.en_US
dc.description.sponsorship2018B030322009, 2019-LRRRU04 National Natural Science Foundation of China, NSFC: 51978175 Science and Technology Planning Project of Guangdong Province: 2019B020208017, 2020040401en_US
dc.description.sponsorshipThis research was financially supported by the National Natural Science Foundation of China (No. 51978175 ), the Science and Technology Planning Project of Yunfu, Guangdong Province, China (No. 2020040401 ), the Research Fund Program of Guangdong Key Laboratory of Radioactive and Rare Resource Utilization (No. 2019-LRRRU04 ; 2018B030322009 ) and the Science and Technology Planning Project of Guangdong Province, China (No. 2019B020208017 ).en_US
dc.identifier.doi10.1016/j.cej.2020.127906
dc.identifier.issn1385-8947
dc.identifier.scopus2-s2.0-85097735141en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.cej.2020.127906
dc.identifier.urihttps://hdl.handle.net/20.500.12491/5208
dc.identifier.volume417
dc.identifier.wosWOS:000653229500013en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherElsevier B.V.en_US
dc.relation.ispartofChemical Engineering Journalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCo-combustionen_US
dc.subjectEquilibrium Simulationsen_US
dc.subjectPollution Controlen_US
dc.subjectSpent Mushroom Substrateen_US
dc.subjectSulfuren_US
dc.subjectTextile Dyeing Sludgeen_US
dc.titleFlue gas-to-ash desulfurization of combustion of textile dyeing sludge: Its dependency on temperature, lignocellulosic residue, and CaOen_US
dc.typeArticleen_US

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