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Decarburization of Pig Iron in Synthetic BOF Converter Slag

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The fundamentals of the BOF converter process have been studied for a long time, and the decarburization has been the topic for many researchers.1–20) The main purpose of the BOF… Click to show full abstract

The fundamentals of the BOF converter process have been studied for a long time, and the decarburization has been the topic for many researchers.1–20) The main purpose of the BOF furnace is to decarburize and dephosphorize the hot metal delivered from the blast furnace.21) As oxygen is blown on the top surface of the metal bath, metal droplets splash into the slag composing mostly of FeO, CaO and SiO2. The dissolved carbon in the hot metal will reduce the FeO due to the decarburizing Reaction (1), which generates CO gas.

Keywords: slag; decarburization; converter; metal; bof converter

Journal Title: ISIJ International
Year Published: 2019

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