The Flodin process is a direct reduction process for manufacturing modern iron and steel, developed by Gustaf Henning Flodin from Sweden and patented in 1924. It has been used in Norway, Sweden, and the United States. Using a specially constructed electric arc furnace, a mixture of hematite with +0.2% carbon content and coal (or charcoal) is smelted in a continuous process, with the reduced metal accumulating at the bottom of the furnace, where it can be tapped off. Carbon content in the product can be controlled by changing the quantity of coal in the furnace. Noncorroding chromium steel could also be produced by using impure ore instead of hematite. Likewise, spongy iron can be cast by using coal-lime briquettes. Additionally, the Flodin furnace also can be used to produce so-called 'sof
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| - Proceso Flodin (es)
- Flodin process (en)
- 弗羅汀製程 (zh)
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| - El proceso Flodin es un procedimiento siderúrgico de reducción directa para la obtención de hierro, desarrollado por Gustaf Henning Flodin de Suecia y patentado en 1924. Usando un horno de arco eléctrico especialmente construido, una mezcla de hematita y carbón es fundida en un proceso continuo, con el metal reducido acumulándose en el fondo del horno, de donde se puede extraer. (es)
- 弗羅汀製程（Flodin process）是一種用直接還原的方式來煉製鐵的製程。該製程於1924年由瑞典人古斯塔夫·漢寧·弗羅汀（Gustaf Henning Flodin）開發並註冊專利。 弗羅汀製程需要用到特殊建造的電弧爐，赤鐵礦和煤的混合物在電弧爐中的連續反應被冶煉。還原後的金屬會堆積在爐底，需要将它敲下來收集。 (zh)
- The Flodin process is a direct reduction process for manufacturing modern iron and steel, developed by Gustaf Henning Flodin from Sweden and patented in 1924. It has been used in Norway, Sweden, and the United States. Using a specially constructed electric arc furnace, a mixture of hematite with +0.2% carbon content and coal (or charcoal) is smelted in a continuous process, with the reduced metal accumulating at the bottom of the furnace, where it can be tapped off. Carbon content in the product can be controlled by changing the quantity of coal in the furnace. Noncorroding chromium steel could also be produced by using impure ore instead of hematite. Likewise, spongy iron can be cast by using coal-lime briquettes. Additionally, the Flodin furnace also can be used to produce so-called 'sof (en)
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| - El proceso Flodin es un procedimiento siderúrgico de reducción directa para la obtención de hierro, desarrollado por Gustaf Henning Flodin de Suecia y patentado en 1924. Usando un horno de arco eléctrico especialmente construido, una mezcla de hematita y carbón es fundida en un proceso continuo, con el metal reducido acumulándose en el fondo del horno, de donde se puede extraer. (es)
- The Flodin process is a direct reduction process for manufacturing modern iron and steel, developed by Gustaf Henning Flodin from Sweden and patented in 1924. It has been used in Norway, Sweden, and the United States. Using a specially constructed electric arc furnace, a mixture of hematite with +0.2% carbon content and coal (or charcoal) is smelted in a continuous process, with the reduced metal accumulating at the bottom of the furnace, where it can be tapped off. Carbon content in the product can be controlled by changing the quantity of coal in the furnace. Noncorroding chromium steel could also be produced by using impure ore instead of hematite. Likewise, spongy iron can be cast by using coal-lime briquettes. Additionally, the Flodin furnace also can be used to produce so-called 'soft steel'. (en)
- 弗羅汀製程（Flodin process）是一種用直接還原的方式來煉製鐵的製程。該製程於1924年由瑞典人古斯塔夫·漢寧·弗羅汀（Gustaf Henning Flodin）開發並註冊專利。 弗羅汀製程需要用到特殊建造的電弧爐，赤鐵礦和煤的混合物在電弧爐中的連續反應被冶煉。還原後的金屬會堆積在爐底，需要将它敲下來收集。 (zh)
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