Arsenic partitioning behavior during sludge co-combustion: Thermodynamic equilibrium simulation

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dc.authorid0000-0001-6841-6457en_US
dc.authorid0000-0003-1099-4363en_US
dc.contributor.authorLiu, Jingyong
dc.contributor.authorXie, Candie
dc.contributor.authorXie, Wuming
dc.contributor.authorZhang, Xiaochun
dc.contributor.authorChang, KenLin
dc.contributor.authorBüyükada, Musa
dc.contributor.authorKuo, Jiahong
dc.contributor.authorEvrendilek, Fatih
dc.date.accessioned2021-06-23T19:51:14Z
dc.date.available2021-06-23T19:51:14Z
dc.date.issued2019
dc.departmentBAİBÜ, Mühendislik Fakültesi, Kimya Mühendisliği Bölümüen_US
dc.description.abstractUsing the computation method of thermodynamic equilibrium, effects of sewage sludge (SS) co-combustion conditions and interactions with Fe2O3, SiO2, CaO and Al2O3 on migration and transformation of arsenic (As) were simulated in oxy-fuel (CO2/O-2) and air (N-2/O-2) atmospheres. Arsenic mainly existed as As(s), As-4(g), As2O5(s), As4O6(g) and AsO(g) and volatilized more easily in reducing than oxidizing atmosphere. Increased O-2 concentration slowed down the formation rate of AsO(g), thus reducing the volatilization rate of As. With the increased pressure, the conversion rate of As2O5(s) into As4O6(g) accelerated. In the multi-chemical system of SiO2, Al2O3 and CaO, As reacted with CaO and Al2O3 to form AlAsO4(s) and Ca-3(AsO4)(2)(s) which inhibited As volatilization. SiO2 prevented As from reacting with CaO to generate Ca-3(AsO4)(2)(s). Fe2O3 affected reactions between Al2O3(CaO) and As which inhibited As volatilization. In the whole SS co-combustion system, As reacted with O-2 but had a weak affinity with Cl and with no arsenic chlorides observed.en_US
dc.identifier.doi10.1007/s12649-018-0248-3
dc.identifier.endpage2307en_US
dc.identifier.issn1877-2641
dc.identifier.issn1877-265X
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85045130451en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage2297en_US
dc.identifier.urihttps://doi.org/10.1007/s12649-018-0248-3
dc.identifier.urihttps://hdl.handle.net/20.500.12491/9949
dc.identifier.volume10en_US
dc.identifier.wosWOS:000475741100019en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorBüyükada, Musa
dc.institutionauthorEvrendilek, Fatih
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofWaste And Biomass Valorizationen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSewage Sludge Co-combustionen_US
dc.subjectArsenicen_US
dc.subjectThermodynamic Equilibrium Analysisen_US
dc.titleArsenic partitioning behavior during sludge co-combustion: Thermodynamic equilibrium simulationen_US
dc.typeArticleen_US

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