... ,000 heats or economical BOF campaign over 10,000 heatsl Converter primary/secondary de-dusting system (improved OG de-duster for ... Slurry recovery and utilizationl BOF circulating water treatment plantThe Oxygen Converter Reference List:l 150t BOF x 3 for Steelmaking Workshop ... 40t BOF for Chifeng Iron & Steel Company, China in 2006. Converter