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Electrolytic iron production from alkaline bauxite residue slurries at low temperatures

Koutsoupa Sevasti; Koutalidi Stavroula; Bourbos Evangelos; Balomenos Efthymios; Panias Dimitrios


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    "description": "<p>The primary iron metallurgy is characterized by significant direct CO2 emissions, due to the<br>\ncarbothermic reduction of the iron ore. This paper deals with the electrification of primary<br>\niron production by developing a new and innovative process for the carbon-free production<br>\nof metallic iron from Bauxite Residue (BR) which is a by-product of the alumina industry. It<br>\nis based on the electroreduction of iron oxides from BR suspensions in concentrated sodium<br>\nhydroxide solutions, at low temperature and normal pressure. The iron oxide source, used<br>\nin the present study is bauxite residue provided by Mytilineos S.A., Metallurgy Business<br>\nUnit-Aluminium of Greece. The research study is a preliminary screening of BR as a<br>\npotential raw material for iron production by performing experiments in a small-scale<br>\nelectrolysis cell. The first results presented here, show that iron can be produced by the<br>\nreduction of iron oxides in the bauxite residue with high Faradaic efficiency (&gt;70%).<br>\nAlthough significant optimization is needed, the novel process shows great promise.</p>", 
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    "title": "Electrolytic iron production from alkaline bauxite residue slurries at low temperatures", 
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    "publication_date": "2020-06-11", 
    "creators": [
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        "affiliation": "National Technical University of Athens, Laboratory of Metallurgy", 
        "name": "Koutsoupa Sevasti"
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      {
        "affiliation": "National Technical University of Athens, Laboratory of Metallurgy", 
        "name": "Koutalidi Stavroula"
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      {
        "affiliation": "National Technical University of Athens, Laboratory of Metallurgy", 
        "name": "Bourbos Evangelos"
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      {
        "affiliation": "Mytilineos S.A., Metallurgy Business Unit- Aluminium of Greece.", 
        "name": "Balomenos Efthymios"
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      {
        "affiliation": "National Technical University of Athens, Laboratory of Metallurgy", 
        "name": "Panias Dimitrios"
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