Why is iron and steel industry dependent upon coal and limestone?
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During the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities of fluxes (minerals, such as limestone, which are used to collect impurities). ... The air causes the coke to burn, producing carbon monoxide which reacts with the iron ore, as well as heat to melt the iron.
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During the iron-making process, a blast furnace is fed with the iron ore, coke and small quantities of fluxes (minerals, such as limestone, which are used to collect impurities). ... The air causes the coke to burn, producing carbon monoxide which reacts with the iron ore, as well as heat to melt the
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