Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
Challenges for Sustainable Ironmaking at ArcelorMittal - ABM
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Lisakovsky de-P flowsheet<br />
Gravity Magnetic Concentr<strong>at</strong>e<br />
Present Concentr<strong>at</strong>e Analysis, %<br />
900 C<br />
Fe SiO2 Al2O3 LOI P<br />
30-60 min<br />
48-49 10-12 4-6 12-14 0.6-0.8<br />
Drying-<br />
Roasting<br />
Magnetic Separ<strong>at</strong>ion<br />
Tails<br />
3-10 % H 2 SO 4<br />
60 min, s/l = 1/1<br />
Leaching<br />
Final Concentr<strong>at</strong>e Analysis, %<br />
Fe SiO2 Al2O3 LOI P<br />
Dephosphorized<br />
Concentr<strong>at</strong>e<br />
Solid-Liquid<br />
Separ<strong>at</strong>ion/Washing<br />
59-61 6-8 4-5 0-0.5 0.05-0.2<br />
Neutraliz<strong>at</strong>ion<br />
05/10/2008 62
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