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Converter gas, also known as basic oxygen furnace gas or BOF gas, is a by-product gas produced during the steelmaking process in a basic oxygen furnace (BOF). This gas primarily consists of carbon monoxide (CO), carbon dioxide (CO2), and nitrogen (N2), with small amounts of hydrogen (H2) and other trace gases. It is generated when pure oxygen is blown into the furnace to convert molten iron into steel by oxidizing impurities such as silicon, manganese, and carbon. Converter gas is often collected and used as a fuel in various parts of the steel mill, contributing to energy recovery and efficiency in the steelmaking process.
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