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Blast furnace Process engineering and chemistry A blast furnace is a metallurgical furnace used to smelt and produce industrial metals, usually pig iron but also other metals such as lead or copper. Blast is the provision of combustion air above atmospheric pressure. [1]In a blast furnace, fuel (cok
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The use of EAF allows steel to be made from 100% scrap metal raw material. This significantly reduces the energy required to make steel compared to ore primary steelmaking.Another benefit is flexibility: While blast furnaces cannot drastically change output and can run for years at a time, electric
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