Core & Ext. Metals: Extraction
Slide 22 of 45
Blast Furnace Reactions
Carbon oxidized by hot air:
Carbon(s) + oxygen(g) ® carbon dioxide(g)
C(s) + O2(g) ® CO2(g) 
Carbon oxidized by carbon dioxide:
Carbon(s) + carbon dioxide(g) ® carbon monoxide(g) 
C(s) + CO2(g) ® 2CO(g) 
Carbon monoxide reduces iron (III) oxide:
Carbon monoxide(g) + iron (III) oxide(s) ®    iron(l) + carbon dioxide(g)
3CO(g) + Fe2O3(s) ® 2Fe(l) + 3CO2(g)