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Viscosity of Partially Crystallized BOF Slag

Zhuangzhuang Liu, Bart Blanpain

2015enbof slagviscositysolid particlesadditivesmaterials engineeringBOF slagmetal recycling

Abstract

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In order to stabilize free lime in the basic oxygen furnace (BOF) slag to achieve high value products, quartz sand and other additives are injected into slag. However, the current hot stage slag stabilization does not work in case of slag with a liquid fraction lower than 90%, where the slag containing solid particles is too viscous. Therefore, it is essential to understand how solid phases affect the viscosity of the slag system. In this study, the industrial BOF slags were investigated with respect to the correlation between volume fraction of solid phases and its viscosity. Slag viscosity was measured with a rotating type viscometer at temperatures below the liquidus. The volume fraction of solid phases was quantitatively calculated with FactSage. The Einstein-Roscoe equation was employed to predict the viscosity of BOF slag.

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Cite This Work

@article{258737a3-c1e4-4a2b-a4a4-235ac4910b42,
  title={Viscosity of Partially Crystallized BOF Slag},
  author={Zhuangzhuang Liu and Bart Blanpain},
  year={2015},
  language={en}
}
TY  - JOUR
TI  - Viscosity of Partially Crystallized BOF Slag
AU  - Zhuangzhuang Liu
AU  - Bart Blanpain
PY  - 2015
LA  - en
ER  -

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