Which one of the following modern practices is used for retarding the solution loss reaction in blast furnace ironmaking?

A blast furnace uses hematite ore with 80% Fe2O3 and 20% gangue materials. It uses 600 kg coke per ton of hot metal. The coke contains 85% C and 15% ash. The co...

A blast furnace charged with hematite containing 90 wt.% Fe₂O₃ produces liquid iron with 3.6 wt.% carbon. Coke containing 90 wt.% carbon is charged at a rate of...