|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||8th International Symposium on High Temperature Metallurgical Processing
||E-18: Thermodynamics Study on Phosphorus Distribution between 2CaO•SiO2-3CaO•P2O5 Solid Solution and Liquid Slag
||Chao Jiang, Ming-Mei Zhu, Rui-Rui Zhao, Zhang-Guang Gao
|On-Site Speaker (Planned)
This paper focuses on the CaO-SiO2-FeO-MgO-MnO-P2O5 slag system that represents the major components of dephosphorization slag in BOF. Phosphorus distribution between 2CaO•SiO2-3CaO•P2O5 Solid Solution and Liquid Slag were analyzed by FactSage. And then discussed the effects of slag content（basicity, FeO, P2O5） on the distribution ratio of P between the solid solution phase and the liquid phase (Lp) and the percentage content of P in solid solution phase and liquid phase. The results show that, with the increase of basicity, Lp (wt.%) decreases until the basicity reaches 1.9, then it turns to increase. In contrast, Lp (mass) shows no significant variation. Lp (wt.%) increases gradually with the increasing amount of FeO or P2O5. By contrast, Lp (mass) goes up with the increase of P2O5 while drops with increasing FeO content.
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