Evaluation of Sulfide Capacity Models and Application in Steelmaking Slags

Hai Yan Tang; Jing She Li; Han Jie Guo

doi:10.4028/www.scientific.net/AMR.284-286.147

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286Evaluation of Sulfide Capacity Models and...

Evaluation of Sulfide Capacity Models and Application in Steelmaking Slags

Abstract:

The sulfide capacity (C_S) and equilibrium distribution ratio of sulphur (L_S) are important indicators to measure desulfurization capacity of slag system. The sulfide capacities of CaO-SiO₂-MgO-Al₂O₃-Fe_tO slags are calculated by optical basicity model and KTH model, and compared with measured values in literature. The results show that the values calculated by KTH model are nearer to measured values than by optical basicity model, so the former can be used to predict C_S of different slag compositions. The factors affecting C_S are also studied in detail. The results show that C_S increases with increasing slag basicity and temperature and decreases with increasing MgO and Al₂O₃ contents in slag.

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Advanced Materials Research (Volumes 284-286)

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147-152

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https://doi.org/10.4028/www.scientific.net/AMR.284-286.147

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July 2011

Authors:

Hai Yan Tang, Jing She Li, Han Jie Guo

Keywords:

KTH Model, Optical Basicity Model, Steelmaking Slags, Sulfide Capacity

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