2003•Unpublished venueRequires access

Dephosphorization Thermodynamics of Crude Steel Using CaO-Based Flux

YANGYin-dong, MeKagueAR, McLeanA, SommervilleID

Abstract

The experiments were carried out at 1 175-1 450 ℃ to study the phosphorus distribution ratio between molten CaO-based slags and carbon saturated hot metal. The phosphate capacity of the slags and the activity coefficient of PO2.5 were calculated from the phosphorus distribution ratio. The effect of addition of CaF2 and/or CaCl2 on the thermodynamic properties of slags was discussed. The correlation of optical basicity with phosphate capacity of slags was studied, and the dephosphorization ability of CaO-based fluxes with various additives was compared with the results from different studies.

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Key concepts: Flux (metallurgy), Phosphate, Thermodynamics, Phosphorus, Chemistry, Carbon fibers, Partition coefficient, Metal