Question: The basic oxygen steelmaking process is possible because the heat liberated in the refining process (oxidation of impurities) is enough to melt the scrap and

The basic oxygen steelmaking process is possible because the heat liberated in the refining process (oxidation of impurities) is enough to melt the scrap and lime and end up with steel at a satisfactory temperature for producing ingots. 750kg of hot metal containing 1.5% Si, 4.1%C, 94.4% Fe is charged together with some steel scrap (99% Fe, 0.65%C, 0.35% Si), some CaO, O2 gas and air for the production of 1 ton of steel (pure Fe). Slag contains oxidized impurities

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