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A new model predicting phosphorus equilibrium and its applications
Author(s) -
Guo Diançai
Publication year - 1984
Publication title -
archiv für das eisenhüttenwesen
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0003-8962
DOI - 10.1002/srin.198405434
Subject(s) - slag (welding) , phosphorus , ferric , composition (language) , ferric iron , metallurgy , thermodynamics , chemistry , environmental science , process engineering , mineralogy , materials science , engineering , physics , linguistics , philosophy , ferrous
In this model, equations determining the ferric content of basic slags and a new definition of the activity a FeO in slag are proposed. The application of this model gives a more precise prediction of phosphorus equilibrium, permits to evaluate the influence of both slag composition and temperature on dephosphorization, to show the optimal slag composition for dephosphorization. This model also permits to examine the possibility of dephosphorization at lower temperatures.