Articles with "reduction iron" as a keyword



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A Review on the Modeling of Gaseous Reduction of Iron Oxide Pellets

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Published in 2019 at "steel research international"

DOI: 10.1002/srin.201900270

Abstract: The investigations on direct reduced iron (DRI) have commonly been made at two different scales: the pellet scale and the macroscopic or reactor scale. The reduction of a single pellet is typically investigated for developing… read more here.

Keywords: gaseous reduction; iron; reduction iron; review modeling ... See more keywords
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Mössbauer and Raman spectroscopic study of oxidation and reduction of iron oxide nanoparticles promoted by various carboxylic acid layers

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Published in 2017 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-017-5195-0

Abstract: The effect of coating with nine different carboxylic acids (glycolic, propionic, lactic, malic, tartaric, citric, mandelic, caproic and caprylic) on nanostructured magnetite (D ~ 10 nm) was studied by Raman and photoacoustic, magnetic and 57Fe Mössbauer measurements. Mössbauer… read more here.

Keywords: ssbauer raman; iron oxide; oxide nanoparticles; oxidation reduction ... See more keywords
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Reduction of iron oxide by lignin: Characteristics, kinetics and superiority

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Published in 2020 at "Energy"

DOI: 10.1016/j.energy.2020.117203

Abstract: Abstract Reduction of iron oxide by biomass (a renewable energy) instead of fossil energy can greatly reduce greenhouse gas (carbon dioxide) emissions. In this work, the reduction characteristics and kinetics of iron oxide by lignin… read more here.

Keywords: iron oxide; oxide lignin; reduction iron; iron ... See more keywords
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The Influence of Cu and Al Additives on Reduction of Iron(III) Oxide: In Situ XRD and XANES Study.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b03403

Abstract: The reduction of Fe-based nanocomposite catalysts doped with Al and Cu has been studied using in situ X-ray diffraction (XRD), in situ X-ray absorption near-edge structure (XANES), and temperature-programmed reduction (TPR) techniques. The catalysts have… read more here.

Keywords: reduction; iii oxide; reduction iron; iron ... See more keywords
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Thermodynamic Study on Reduction of Iron Oxides by H2 + CO + CH4 + N2 Mixture at 900 °C

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Published in 2020 at "Energies"

DOI: 10.3390/en13195053

Abstract: The reduction gas used in the gas-based direct reduction iron-making process contains CH4 in different concentrations, which has an important effect on the gas and heat needed for the reduction of iron oxide. To investigate… read more here.

Keywords: gas; heat; reduction iron; reduction ... See more keywords