Steelmaking
Process for producing steel from iron ore and scrap
Nº Q482090 ★★★
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Steelmaking
Process for producing steel from iron ore and scrap
Steelmaking is the process of producing steel from iron ore and/or scrap. Steel has been made for millennia and was commercialized on a massive scale in the 1850s and 1860s, using the Bessemer and Siemens-Martin processes. Currently, two major commercial processes are used.
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Steelmaking is the process of producing steel from iron ore and/or scrap. Steel has been made for millennia and was commercialized on a massive scale in the 1850s and 1860s, using the Bessemer and Siemens-Martin processes. Currently, two major commercial processes are used. Basic oxygen steelmaking (BOS) uses liquid pig iron from a blast furnace and scrap steel as the main feed materials. Electric arc furnace (EAF) steelmaking uses scrap steel or direct reduced iron (DRI). Oxygen steelmaking has become more popular over time. Steelmaking is one of the most carbon emission-intensive industries. In 2020, the steelmaking industry was reported to be responsible for 7% of energy sector greenhouse gas emissions. The industry is seeking significant emission reductions.
Texto: Wikipédia em inglês, CC BY-SA 4.0. · Imagem: Payton Chung from DC, USA (CC BY 2.0) ·
