1. The experiments of dephosphorization of hot metal by using converter slag flux were performed in the laboratory scale.

2. The experiments of dephosphorization of hot metal by using converter slagflux were performed in the scale.

3. This paper analyzes mainfactors that influence the dephosphorization of medium - high carbon steels in con - verter steelmaking process.

4. This research is of directive importance for dephosphorization pretreatment hot metal with duplex converter in production.

5. The dephosphorization technics has been studied on - content phosphor RE concentrate in electric arc furnace.

6. In this paper, the importance of dephosphorization process in treatment of high phosphorus ore is analyzed.

7. Effect of basicity of electrode coating on desulphidation and dephosphorization is studied.