Direct reduced iron
Direct reduction processes can be divided roughly into two categories gasbased, and coalbased. In both cases, the objective of the process is to drive off the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc.), in order to convert the ore to metallic iron, without melting it (below 1,200 176;C (2,190 176;F)).
The direct reduction process is comparatively energy efficient. Steelmade using DRI requires significant