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Resource-Efficient Smelting Technology for FeCrMnSi Ferroalloy Production from Technogenic Wastes in an Ore-Thermal Furnace

Yerbolat Makhambetov, Armat Zhakan

2025ensmeltingferroalloytechnologywastemetallurgy

Abstract

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The article presents the results of a study on the production of a complex chromium–manganese–silicon-containing ferroalloy in a large-scale laboratory ore-thermal furnace using man-made waste—chromium-containing aspiration dust obtained during smelting of high-carbon ferrochrome, fines (−5 mm) of iron–manganese ore currently stored in landfills, and finely dispersed coal sludge formed during enrichment. A single-stage technology for the production of a new complex chromium–manganese–silicon-containing ferroalloy by carbothermal reduction is proposed. A metallurgical assessment of the initial charge materials was carried out by the X-ray diffraction (XRD) phase analysis, and metal samples of the obtained ferroalloy were studied by scanning electron microscopy (SEM) in combination with energy dispersive spectroscopy (EDS). The resulting ferroalloy has a complex microstructure with a predominance of carbide and in.

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Cite This Work

@article{49a98b91-0a28-4783-a30e-97b8a103d3f3,
  title={Resource-Efficient Smelting Technology for FeCrMnSi Ferroalloy Production from Technogenic Wastes in an Ore-Thermal Furnace},
  author={Yerbolat Makhambetov and Armat Zhakan},
  year={2025},
  language={en}
}
TY  - JOUR
TI  - Resource-Efficient Smelting Technology for FeCrMnSi Ferroalloy Production from Technogenic Wastes in an Ore-Thermal Furnace
AU  - Yerbolat Makhambetov
AU  - Armat Zhakan
PY  - 2025
LA  - en
ER  -

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