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blast furnace limestone

blast furnace limestone

Nov 13 2017 · limestone is used to remove impurities in the furnace and the main impurity of the blast furnace is silica sand and rock which is silicon dioxide silicon dioxide is a solid at furnace temperatures so it reacts with calcium oxide from the decomposition of limestone CaCO3 this result into the formation of calcium silicate CaSiO3 or slag which is a liquid slag flows to the the bottom of the

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