The Iron Blast Furnace

THE blast furnace is the base of the steel industry, since there is no commercially practical way of converting iron ore directly into steel. In three hundred years, the blast furnace has developed from a small unit using charcoal as fuel and producing about one ton of iron in twenty-four hours to a furnace making upwards of 1,500 tons a day.
Keywords: blast furnace, blast furnace, carbon dioxide, iron, limonite, slag, blast furnaces, Furnaces, Iron, Ore, Ores, Slag, Slags
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