ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Estimation of Sulfide Capacities of Multicomponent Slags using Optical Basicity
Guo-Hua ZhangKuo-Chih ChouUday Pal
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2013 Volume 53 Issue 5 Pages 761-767

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Abstract

An empirical model has been developed based on optical basicity to calculate the sulfide capacity of metallurgical molten slag. The model estimated sulfide capacities agree well with the experimental data for CaO–MgO–FeO–MnO–TiO2–Al2O3– SiO2–CaF2 multicomponent slags. It is found that the abilities of increasing sulfide capacity in MO–SiO2 (M=Ca, Mg, Fe and Mn) melts follow the order: MnO>FeO>CaO>MgO. Also, substitution of CaO for CaF2 decreases the sulfide capacity and substitution of TiO2 for SiO2 increases the sulfide capacity.

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© 2013 by The Iron and Steel Institute of Japan
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