Open Access
Crystals, volume 13, issue 2, pages 318
Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study
Grudinsky Pavel
1
,
Zinoveev Dmitry
1
,
Kondratiev Alex
2
,
Delitsyn Leonid
3
,
Kulumbegov Ruslan
3
,
Lysenkov Anton
1
,
Kozlov Pavel
4
,
Dyubanov Valery
1
4
UMMC Technical University, 3 Uspensky Prosp., 624091 Verkhnyaya Pyshma, Sverdlovsk Region, Russia
|
Publication type: Journal Article
Publication date: 2023-02-15
Inorganic Chemistry
General Chemical Engineering
Condensed Matter Physics
General Materials Science
Abstract
Waelz slag is an iron-containing waste generated during electric arc furnace (EAF) dust processing in a rotary kiln named the Waelz process. This study focuses on the reduction smelting of the Waelz slag to produce iron-based alloy. The thermodynamic simulation using FactSage 8.0 software was carried out to predict temperatures of the metal and slag obtained as well as their compositions. Based on the simulation results, reduction smelting experiments were performed on a laboratory scale using two approaches, with and without preliminary froth flotation of carbon, respectively. The experiments have confirmed the technological possibility of reduction smelting of the Waelz slag from EAF dust processing. The approach using preliminary flotation of carbon and reduction smelting at 1500 °C resulted in high-copper cast iron production, while the approach without flotation, where the Waelz slag was smelted at 1650 °C with the addition of SiO2 flux, led to obtaining low-silicon ferrosilicon with high Cu content, as well as slag attractive for construction industry.
Citations by journals
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1
2
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Crystals
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Crystals
2 publications, 66.67%
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Buildings
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Buildings
1 publication, 33.33%
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1
2
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Citations by publishers
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1
2
3
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
3 publications, 100%
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1
2
3
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Grudinsky P. et al. Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study // Crystals. 2023. Vol. 13. No. 2. p. 318.
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Grudinsky P., Zinoveev D., Kondratiev A., Delitsyn L., Kulumbegov R., Lysenkov A., Kozlov P., Dyubanov V. Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study // Crystals. 2023. Vol. 13. No. 2. p. 318.
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TY - JOUR
DO - 10.3390/cryst13020318
UR - https://doi.org/10.3390%2Fcryst13020318
TI - Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study
T2 - Crystals
AU - Grudinsky, Pavel
AU - Zinoveev, Dmitry
AU - Kondratiev, Alex
AU - Delitsyn, Leonid
AU - Kulumbegov, Ruslan
AU - Lysenkov, Anton
AU - Kozlov, Pavel
AU - Dyubanov, Valery
PY - 2023
DA - 2023/02/15 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 318
IS - 2
VL - 13
SN - 2073-4352
SN - 0172-5076
ER -
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@article{2023_Grudinsky,
author = {Pavel Grudinsky and Dmitry Zinoveev and Alex Kondratiev and Leonid Delitsyn and Ruslan Kulumbegov and Anton Lysenkov and Pavel Kozlov and Valery Dyubanov},
title = {Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study},
journal = {Crystals},
year = {2023},
volume = {13},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {feb},
url = {https://doi.org/10.3390%2Fcryst13020318},
number = {2},
pages = {318},
doi = {10.3390/cryst13020318}
}
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MLA
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Grudinsky, Pavel, et al. “Reduction Smelting of the Waelz Slag from Electric Arc Furnace Dust Processing: An Experimental Study.” Crystals, vol. 13, no. 2, Feb. 2023, p. 318. https://doi.org/10.3390%2Fcryst13020318.