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CH1012
METALLURGY II
The process of obtaining a
pure metal from a metal ore.
Converting
a compound to the metal
Fe3O4
(magnetite)
(magnetite)
CuFeS2 Au
(chalcopyrite)
(chalcopyrite)
Al2O3
For the more active metals
forcing
conditions (electrolysis) are required.
conditions (electrolysis) are required.
eg.
Al, Mg
For the less
active metals
- which are easier to reduce
- chemical methods of reduction
are often sufficient.
- which are easier to reduce
- chemical methods of reduction
are often sufficient.
eg.
Fe, Ni
Metallurgy:
