Coupled mechanisms of reaction kinetics, gas emissions, and ash mineral transformations during combustion of AlCl3-conditioned textile dyeing sludge

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dc.authorid0000-0003-1099-4363
dc.contributor.authorZhang, Junhui
dc.contributor.authorChen, Jiacong
dc.contributor.authorLiu, Jingyong
dc.contributor.authorXie, Wuming
dc.contributor.authorEvrendilek, Fatih
dc.contributor.authorLi, Weixin
dc.date.accessioned2021-06-23T19:55:03Z
dc.date.available2021-06-23T19:55:03Z
dc.date.issued2021
dc.departmentBAİBÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.description.abstractThough commonly used in the dewatering of textile dyeing sludge (TDS) before its incineration, chemical conditioning has yet to be evaluated in terms of its impact on the reaction mechanisms, emissions, and ash minerals. This study combined experiments and equilibrium simulations to disentangle the interaction mechanism among the combustion behaviors, gas emissions, ash minerals of TDS conditioned with(out) three blend ratios of the AlCl3 conditioner. The use of the AlCl3 conditioner slightly improved the performance of the combustion stage of volatiles and chars. No significant effect of AlCl3 conditioner was detected on the kinetic mechanism of its main combustion stage best elucidated by the nth-order and diffusion models. SO2 was the main evolved gas whose reduction between 600 and 800 degrees C was attributed to its increased retention rate by CaO from the decomposition of CaCO3. Aluminum compounds acted as a stimulator in SO2 emission between 800 and 1000 degrees C since the formation of calcium aluminosilicates. At above 1060 degrees C, CaSO4 decomposed rapidly, thus almost completely releasing inorganic S. This study supplies new insights into pollution 'controls on the combustion of TDS conditioned with Al salt coagulant.en_US
dc.identifier.doi10.1016/j.jhazmat.2020.123968
dc.identifier.issn0304-3894
dc.identifier.issn1873-3336
dc.identifier.pmid33265009en_US
dc.identifier.scopus2-s2.0-85091921282en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jhazmat.2020.123968
dc.identifier.urihttps://hdl.handle.net/20.500.12491/10715
dc.identifier.volume403en_US
dc.identifier.wosWOS:000595082200012en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofJournal Of Hazardous Materialsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAluminum Chlorideen_US
dc.subjectAsh Mineralsen_US
dc.subjectKinetic Mechanismen_US
dc.subjectEquilibrium Simulationen_US
dc.subjectPollutant Emissionen_US
dc.titleCoupled mechanisms of reaction kinetics, gas emissions, and ash mineral transformations during combustion of AlCl3-conditioned textile dyeing sludgeen_US
dc.typeArticleen_US

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