Rev. Met. Paris
Volume 106, Number 1, January 2009Blast Furnace
|Page(s)||21 - 26|
|Published online||28 January 2009|
Distribution of phosphorus and oxygen between liquid steel and basic oxygen steelmaking slag
The efficiency of dephosphorisation is governed by the thermodynamic behaviour of phosphorus and oxygen in molten metal, and P2O5 and FeO in slag. The equilibrium distribution of phosphorus and oxygen, for a wide range of chemical compositions simulating the evolution of slag composition during a typical BOF blow, has been experimentally determined. A mathematical model for estimation of the activity coefficients, as a function of the chemical composition, was also attempted.
© La Revue de Métallurgie, 2009
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