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Sulphide capacities of CaO-AI2O3-SiO 2-MgO-MnO slags in the temperature range 1673-1773 K
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science. Nippon Steel Corporation, Japan.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2009 (English)In: ISIJ International, ISSN 0915-1559, E-ISSN 1347-5460, Vol. 49, no 2, 156-163 p.Article in journal (Refereed) Published
Abstract [en]

With a view to estimate the sulphide capacities of slags used in hot metal pretreatment processes, the sulphide capacities of CaO-AI2O 3-SiO2-MgO, CaO-AI2O3-SiO 2-MnO and CaO-AI2O3-SiO2-MgO-MnO slags in low SiO2 concentration region were measured in the temperature range 1 673-1 773 K. The gasslag equilibrium technique has been used for these measurements. From the results obtained, it was found that the MgO and MnO increased the sulphide capacity values of slag. A new empirical model based on optical basicity for sulphide capacity prediction of these slags was developed using the measured values of the present work and literature.

Place, publisher, year, edition, pages
2009. Vol. 49, no 2, 156-163 p.
Keyword [en]
CaO-Al 2O3-SiO2-MgO, CaO-Al2O 3-SiO2-MnO, CaO-Al2O3-SiO 2-MgO-MnO, Desulfurization, Hot metal pretreatment, Slag, Sulphide capacity, Sulphide capacity model
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-153602DOI: 10.2355/isijinternational.49.156Scopus ID: 2-s2.0-66349083264OAI: oai:DiVA.org:kth-153602DiVA: diva2:753047
Note

QC 20141007

Available from: 2014-10-07 Created: 2014-10-06 Last updated: 2017-12-05Bibliographically approved

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Taniguchi, YoshinoriSeetharaman, Seshadri
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CiteExportLink to record
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