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Glossary

The Kallanish Glossary aims to be a useful resource for complex industry specific terminology. We are constantly adding to our glossary, so if you have a suggestion or amendment please do get in touch.

Basic Oxygen Furnace

Steel

The basic oxygen furnace converts iron from the blast furnace into steel. When oxygen is blown over the molten iron in a BOF vessel, it combines with and removes carbon as carbon monoxide and carbon dioxide. Unwanted silicon, phosphorus and other elements are also driven off, while other impurities are combined with fluxes which are removed and then made into slag. The reactions in the BOF vessel creates heat, so ferrous scrap is added to cool it down. 

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