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{{confused|Calcification}}
'''Calcination''' refers to
The root of the word calcination refers to its most prominent use, which is to remove carbon from [[limestone]] through [[combustion]] to yield [[calcium oxide|calcium oxide (quicklime)]]. This calcination reaction is CaCO<sub>3</sub>(s) → CaO(s) + CO<sub>2</sub>(g). Calcium oxide is a crucial ingredient in modern [[cement]], and is also used as a chemical [[Flux (metallurgy)|flux]] in [[smelting]]. Industrial calcination generally emits [[carbon dioxide]] ({{CO2}}), making it a major contributor to [[climate change]].
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