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Kinetic reduction of mill scale via hydrogen
Author(s) -
N.M. Gaballah,
A Fouad Zikry,
M.G. Khalifa,
A.B. Farag,
N.A. El-Hussiny,
M.E.H. Shalabi
Publication year - 2014
Publication title -
science of sintering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.309
H-Index - 25
eISSN - 1820-7413
pISSN - 0350-820X
DOI - 10.2298/sos1401107g
Subject(s) - mill scale , briquette , sintering , mill , raw material , hydrogen , materials science , reduction (mathematics) , kinetics , kinetic energy , blast furnace , metallurgy , waste management , scale up , chemical engineering , pulp and paper industry , chemistry , engineering , coal , mathematics , geometry , physics , organic chemistry , classical mechanics , quantum mechanics
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

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