How is limestone used in a blast furnace?
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Limestone is calcium carbonate (CaCO3) and it is added. to the blast furnace to remove the impurities in the iron ore. Calcium carbonate is decomposed by heat in the furnace. to give calcium oxide (quicklime) and carbon dioxide. This is called thermal decomposition. (see examples of other carbonates). read more
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GCSE Bitesize: Making iron
www.bbc.co.uk
limestone blast furnace
lenguaglobal.in
The Blast Furnace
www.s-cool.co.uk
The Extraction of Iron
chem.libretexts.org
