Kinetic reduction of mill scale via hydrogen

Kinetic reduction of mill scale via hydrogen

Mill scale is very attractive industrial waste since it is rich in iron (about = 72 % Fe) and it is suiTab. for direct recycling to the blast furnace via sintering plant. In this paper the characterizations of raw materials were studied by different methods of analyses. The produced briquettes were...

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Veröffentlicht in:Science of sintering 2014, Vol.46 (1), p.107-116
Hauptverfasser: Gaballah, N.M., Zikry, A.F., Khalifa, M.G., Farag, A.B., El-Hussiny, N.A., Shalabi, M.E.H.
Format: Artikel
Sprache:eng
Schlagworte:
Blast furnaces
Industrial wastes
Iron
Iron and steel plants
mill scale
Recycling
Reduction
reduction by hydrogen
Scale (corrosion)
Sintering
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Zusammenfassung:Mill scale is very attractive industrial waste since it is rich in iron (about = 72 % Fe) and it is suiTab. for direct recycling to the blast furnace via sintering plant. In this paper the characterizations of raw materials were studied by different methods of analyses. The produced briquettes were reduced with different amounts of hydrogen at varying temperatures, and the reduction kinetics was determined. Two models were applied and the energy of activation was calculated. nema
ISSN:0350-820X
1820-7413
DOI:10.2298/SOS1401107G