| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for modifying steel slag without need for using a modifier and capable of using blowing gas other than pure oxygen.SOLUTION: There is provided a method for modifying steel slag conducted by blowing oxygen gas-containing gas into steel slag in a molten state, where a modifier is not used, the steel slag having a value represented by the following formula (1) of 1 or less, and the slag after modification having a value represented by the following formula (2) of 1 or less. [T-CaO]-(1.87×[SiO]+1.43×([T-Fe]-1.55)+1.10×[AlO]+1.18×[PO]) (1) [T-CaO]-(1.87×[SiO]+0.70×[FeO]+1.10×[AlO]+1.18×[PO]) (2)SELECTED DRAWING: Figure 1 |
