Original scientific paper

Study of desulfurization with magnesite desulfurizer under hot metal pretreatment

G. D. Liu ; School of Material and Metallurgy, University of Science and Technology Liaoning, AnShan, China
K. Liu ; School of Material and Metallurgy, University of Science and Technology Liaoning, AnShan, China
H. T. Zhang ; School of Material and Metallurgy, University of Science and Technology Liaoning, AnShan, China

Abstract

In this paper, MgO 38 %, C 10 %, Al 12 %, Fe₂O₃ 34 %, SiO₂ + CaO 5,3 %, CaF₂ 0,7 % as the new desulfurizer ratio composition. Adding FeS, heating in a high temperature furnace, and then studying the reaction product composition by phase analysis. Found that the formation of MgS, indicating that the new desulfurization agent can be used for desulfurization. When the temperature is the same, the higher the initial sulfur content, the higher the desulfurization rate of the new desulfurizer. When the initial sulfur content is constant, the desulfurization rate increases with the temperature increasing. Desulfurization is mainly concentrated in the first 15 minutes, the best desulfurization temperature is 1 500 °C.

Keywords

desulfurization; magnesite; desulfurization rate; hot metal pretreatment; X-ray diffraction (XRD)

Hrčak ID:

189358

URI

https://hrcak.srce.hr/189358

Publication date:

1.1.2018.

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