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Sulphide Capacities of CaO-Al2O3-SiO2-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.
2009 (English)In: ISIJ International, ISSN 0915-1559, 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-Al2O3-SiO2-MgO, CaO-Al2O3-SiO2-MnO and CaO-Al2O3-SiO2-MgO-MnO slags in low SiO2 concentration region were measured in the temperature range 1 673-1 773 K. The gas-slag 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]
sulphide capacity, hot metal pretreatment, desulfurization, slag, CaO-Al2O3-SiO2-MgO, CaO-Al2O3-SiO2-MnO, CaO-Al2O3-SiO2-MgO-MnO, sulphide capacity model, blast-furnace slags, lime, system
URN: urn:nbn:se:kth:diva-18216ISI: 000263805900002OAI: diva2:336262
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Seetharaman, Seshadri
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