Fray Symposium - Dephosphorization Of Magnetite Ore Treatment By Magnetic Separation And Direct Reduction Process.
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2011-Sustainable Industrial Processing Summit
SIPS2011 Volume 2: Advanced Sustainable Iron and Steel Making

Editors:Florian K
Publisher:Flogen Star OUTREACH
Publication Year:2012
Pages:708 pages
ISBN:978-0-9879917-1-3
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)

    Dephosphorization Of Magnetite Ore Treatment By Magnetic Separation And Direct Reduction Process.

    Edgar Blanco1;
    1FLSMIDTH, Midvale, United States;
    Type of Paper: Regular
    Id Paper: 398
    Topic: 5

    Abstract:

    FLSmidth is under taking developing a process to direct treatment of magnetite ore. After magnetic ore separation, two pyrometallurgical options are evaluated to reduce Iron and decrease the phosphorous content in the final product. Magnetic separation, iron water vapor reduction with enriched hydrogen is tested. A thermodynamic and experimental investigation to develop a new process to extract Iron from their ores is then carried out.Iron sample with 40-48% Fe and levels of 0.3-0.9% of P are tested to obtain a metallic iron product of > 90% and less than 0.05% of P. The kinetics of the reaction are determined by measuring the weight change of a sample with time in water vapor at temperatures between 1000-1350oC.

    Keywords:

    Iron, Water-vapor Oxidation, Kinetics, Thermodynamics.

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    Cite this article as:

    Blanco E. Dephosphorization Of Magnetite Ore Treatment By Magnetic Separation And Direct Reduction Process.. In: Florian K, editors. Sustainable Industrial Processing Summit SIPS2011 Volume 2: Advanced Sustainable Iron and Steel Making. Volume 2. Montreal(Canada): FLOGEN Star Outreach;2012. p..