- A steel-making process in which a jet of oxygen is delivered by a lance on to a molten mixture of pig iron and scrap steel in a retort lined with a basic refractory. Excess carbon is burnt away, producing enough heat to keep the iron molten, and the oxidized impurities are removed as gases or slag.More example sentences
- Among the primary steel melting processes are the electric arc furnace and the basic oxygen process.
- The basic oxygen process is the most common process for producing steel.
- This gave way mid-century to the basic oxygen process, which used pure oxygen instead of air, cutting the process time from all day to just a few hours.