Molten iron is seen flowing from a furnace at the Sloss Furnaces complex in Birmingham. During the smelting process, iron ore, limestone, and coke (processed coal) are blasted with superheated air causing a series of chemical reactions to form molten slag (waste) and molten iron, which separates as it sinks to the bottom of the furnace.
Molten Iron at Sloss Furnaces
Courtesy of Birmingham Public Library Archives
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