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concentrate iron ore process production

concentrate iron ore process production

we claim 1. in a process for producing pig iron by reducing iron ore concentrate in which solid pre-reduced iron ore, coal, oxygen gas, and slag formers are injected beneath the surface of a molten iron bath contained in a reactor vessel, and react to produce said pig iron, slag, and exhaust gases including co 2, co, h 2 and h 2 o, the improvement comprising

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