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  1. Process engineering and chemistry

    Blast furnaces operate on the principle of chemical reduction whereby carbon monoxide converts iron oxides to elemental iron.
    Blast furnaces differ from bloomeries and reverberato… See more

    History

    Cast iron has been found in China dating to the 5th century BC, but the earliest extant blast furnaces in China date to the 1st century AD and in the West from the High Middle Ages. They spread from the region around … See more

    Modern applications of the blast furnace

    The blast furnace remains an important part of modern iron production. Modern furnaces are highly efficient, including Cowper stoves to pre-heat the blast air and employ recovery systems to extract the heat from the hot gases exiti… See more

    Modern iron process

    Modern furnaces are equipped with an array of supporting facilities to increase efficiency, such as ore storage yards where barges are unloaded. The raw materials are transferred to the stockhouse complex by ore bridges… See more

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