{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282681463668864.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2355/isijinternational.49.1828"}},{"identifier":{"@type":"COI","@value":"1:CAS:528:DC%2BC3cXis1OmsA%3D%3D"}},{"identifier":{"@type":"URI","@value":"http://www.jstage.jst.go.jp/article/isijinternational/49/12/49_12_1828/_pdf"}},{"identifier":{"@type":"NAID","@value":"10027038043"}}],"dc:title":[{"@language":"en","@value":"A Thermodynamic Model for Calculating Sulphur Distribution Ratio between CaO-SiO2-MgO-Al2O3 Ironmaking Slags and Carbon Saturated Hot Metal Based on the Ion and Molecule Coexistence Theory"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"A thermodynamic model for calculating sulphur distribution ratio between CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> ironmaking slags and carbon saturated hot metal has been developed by using a thermodynamic model for calculating mass action concentrations of structural units or ion couples of ironmaking slags based on the ion and molecule coexistence theory.<br>The calculated mass action concentrations of structural units or ion couples in CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> ironmaking slags equilibrated with carbon saturated hot metal at 1773 K can be applied to represent reaction ability, like classic concept of activity. The calculated total sulphur distribution ratio shows an acceptable agreement with the tested sulphur distribution ratio between CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> ironmaking slags and carbon saturated hot metal from desulphurization experiments at 1773 K. Meanwhile, the developed thermodynamic model for calculating sulphur distribution ratio between CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> ironmaking slags and carbon saturated hot metal can quantitatively determine the respective contribution of free CaO and MgO in CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> slags. A very significant difference of desulphurization ability between free CaO and MgO has been found with free CaO accounting for 97% desulphurization potential comparing with free MgO as about 3% in CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> slags equilibrated with carbon saturated hot metal at 1773 K."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001206487685890","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018188034"}],"foaf:name":[{"@language":"en","@value":"Yang Xue-min"}],"jpcoar:affiliationName":[{"@language":"en","@value":"State Key Lab of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681463668868","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018188712"}],"foaf:name":[{"@language":"en","@value":"Jiao Jin-sha"}],"jpcoar:affiliationName":[{"@language":"en","@value":"State Key Lab of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681463668865","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018188713"}],"foaf:name":[{"@language":"en","@value":"Ding Ru-cai"}],"jpcoar:affiliationName":[{"@language":"en","@value":"School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681463668864","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018188714"}],"foaf:name":[{"@language":"en","@value":"Shi Cheng-bin"}],"jpcoar:affiliationName":[{"@language":"en","@value":"School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681463668866","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018188715"}],"foaf:name":[{"@language":"en","@value":"Guo Han-jie"}],"jpcoar:affiliationName":[{"@language":"en","@value":"School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"09151559"},{"@type":"EISSN","@value":"13475460"},{"@type":"NCID","@value":"AA10680712"}],"prism:publicationName":[{"@language":"en","@value":"ISIJ International"},{"@language":"ja","@value":"ＩＳＩＪ　Ｉｎｔｅｒｎａｔｉｏｎａｌ"},{"@language":"en","@value":"ISIJ Int."},{"@language":"en","@value":"ISIJ International"},{"@language":"ja","@value":"ＩＳＩＪ　Ｉｎｔｅｒｎａｔｉｏｎａｌ"}],"dc:publisher":[{"@language":"en","@value":"The Iron and Steel Institute of Japan"},{"@language":"ja","@value":"一般社団法人 日本鉄鋼協会"}],"prism:publicationDate":"2009","prism:volume":"49","prism:number":"12","prism:startingPage":"1828","prism:endingPage":"1837"},"reviewed":"false","url":[{"@id":"http://www.jstage.jst.go.jp/article/isijinternational/49/12/49_12_1828/_pdf"}],"availableAt":"2009","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=sulphur%20distribution%20ratio","dc:title":"sulphur distribution ratio"},{"@id":"https://cir.nii.ac.jp/all?q=CaO%E2%80%93SiO%3Csub%3E2%3C/sub%3E%E2%80%93MgO%E2%80%93Al%3Csub%3E2%3C/sub%3EO%3Csub%3E3%3C/sub%3E%20slags","dc:title":"CaO–SiO<sub>2</sub>–MgO–Al<sub>2</sub>O<sub>3</sub> slags"},{"@id":"https://cir.nii.ac.jp/all?q=hot%20metal%20desulphurization","dc:title":"hot metal desulphurization"},{"@id":"https://cir.nii.ac.jp/all?q=thermodynamic%20model","dc:title":"thermodynamic model"},{"@id":"https://cir.nii.ac.jp/all?q=desulphurization%20contribution%20of%20CaO","dc:title":"desulphurization contribution of CaO"},{"@id":"https://cir.nii.ac.jp/all?q=desulphurization%20contribution%20of%20MgO","dc:title":"desulphurization contribution of MgO"},{"@id":"https://cir.nii.ac.jp/all?q=mass%20action%20concentrations","dc:title":"mass action concentrations"},{"@id":"https://cir.nii.ac.jp/all?q=ion%20and%20molecule%20coexistence%20theory","dc:title":"ion and molecule coexistence theory"},{"@id":"https://cir.nii.ac.jp/all?q=structural%20units","dc:title":"structural units"},{"@id":"https://cir.nii.ac.jp/all?q=ion%20couples","dc:title":"ion couples"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360011143530548480","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"A thermodynamic study of (magnesium oxide + silicon dioxide) by mass spectrometry at 1973 K"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011145462215168","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"On the hot metal 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