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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Lennartsson, Andreas
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Publications (6/6 displayed)
- 2023Insights into the Valorization of Electric Arc Furnace Slags as Supplementary Cementitious Materialscitations
- 2023Ground granulated iron silicate slag as supplementary cementitious material: Effect of prolonged grinding and granulation temperaturecitations
- 2023A Method for Synthesizing Iron Silicate Slags to Evaluate Their Performance as Supplementary Cementitious Materialscitations
- 2021Influence of Process Parameters on Copper Content in Reduced Iron Silicate Slag in a Settling Furnacecitations
- 2019Understanding the bottom buildup in an electric copper smelting furnace by thermodynamic calculationscitations
- 2015Wise Process Routes for Varying Feedstock in Base Metal Extraction : Modelling of a Peirce-Smith Converter and Investigation of Buildup Formation in an Electric Smelting Furnace ; Kloka processvägar för varierande råmaterial vid utvinning av basmetaller
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article
Influence of Process Parameters on Copper Content in Reduced Iron Silicate Slag in a Settling Furnace
Abstract
<jats:p>During the pyrometallurgical extraction of copper, a significant fraction of this metal is lost with discard slag, which decreases profits and overall copper recovery. These copper losses can be reduced by using a settling furnace, in which suspended droplets containing copper separate from slag under the influence of gravity. An industrial trial was conducted in a settling furnace to increase the knowledge of the effect of temperature and settling time on the copper content of slag, and thus enhance the settling process to increase copper recovery. Slag samples were collected from four sample points: the ingoing and outgoing slag stream, within the furnace during settling, and the granulated slag. The chemical composition of the slag samples was analyzed and compared between batches with different temperatures and settling times. The appearance of copper and its associated phases were analyzed using a scanning electron microscope with an energy-dispersive X-ray spectroscopy detector (SEM-EDS). The results indicated that the outgoing slag copper content increased with an increase in temperature, and it was also concluded to be influenced by the attachment of copper to spinels and gas bubbles. The results indicate that regulating the settling furnace temperature to a lower interval could increase copper recovery.</jats:p>