L1 /   
12
CH1012
IRON
2. Iron
• Ores
 Fe2O3 
 - hematite
 Fe3O4 
 - magnetite
• a reduction
  process
CO ® CO2+ 2e-
• Pig iron is
  crude and
contains 5% C
Blast furnace
®  pig
      iron
550 km/h
10 s
Fe2O3
CaCO3
C
FeO
Fe
Fe3O4
pyrometallurgy
220 million/tons year = 2nd in world for iron ore production
Port Kembla steel blast furnaces in operation for 15 years