By: NN123522. Iron, Steel, and Aluminum. C.1.1. The main source of Iron is Iron Ore. C.1.2. A blast furnace is used “to chemically reduce and physically convert iron oxides into liquid iron called ‘hot metal’.”
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Basic Oxygen Converter takes the molten iron and scrap and removes impurities. This leads to greater efficiency and quality of steel.
Similar to the Bessemer process. A basic oxygen converter involves oxygen, which is, blown into the charge at high velocity causing an increase in temperature in metal bath. The temperature change and turbulence results in metal droplets being carried away from the central oxygen stream, increasing the metal surface area, and the rate of oxidation of impurities in the molten iron. During this process, the oxidation of silicon, manganese and carbon are all exothermic, resulting in an increase in bath temperature.