Industrial Standard
of Iron Ores in China
1.
Iron
ores for Steel-making
Iron Ores
TFe
(%)
Max. content of impurities (%)
Other impurities
(%)
SiO2
S
P
Magnetite
≥56
≤13
≤0.15
≤0.15
Cu≤0.2
Ag≤0.1
Hematite
...
1/03/2013
1/01/2013
Definition of
Beneficiation
Definition:
through the physical or chemical diversity of minerals, separating ore into
valuable substances and waste (gangue) by any of a variety of mining equipment,
to enrich the useful minerals.
Usually
run-of-mine ores are composed of useful minerals and gangues. Grade of useful minerals is not high
enough for industrial purpose. Beneficiation is to purify and enrich them to
make them concentrates.
e.g.
Beach...
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