Study on the synthesis of FeCrMnSi ferroalloy using technogenic raw materials
Makhambetov Y. Zhakan A. Gabdullin S. Akhmetov A. Burumbayev A. Zhunusov A.
2025SciCell s.r.o.
Acta Metallurgica Slovaca
2025#31Issue 2113 - 118 pp.
The article explores the potential for utilizing technogenic waste – chromium and manganese dust as well as coal slurry – to produce a novel complex FeCrMnSi ferroalloy used for steel alloying and deoxidation. A technical and chemical analysis of the investigated waste materials was conducted. These materials are fine-grained products, necessitating their briquetting into a single charge. Laboratory experiments were carried out to smelt the chromium-manganese-silicon ferroalloy at 1750°C (50°C above the theoretical melting point), resulting in experimental samples of the complex ferroalloy with the following average composition (in %): 40.80 Cr, 19.44 Mn, 9.75 Si, 25.44 Fe, and 4.53 C. The studys findings demonstrate that the waste materials possess the necessary characteristics for producing high-quality ferroalloys, highlighting the potential to reduce dependence on expensive raw materials.
chromium , coal slurry , dust , ferroalloy , manganese , recycling
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Chemical-Metallurgical Institute named after Zh. Abishev, Ermekov street 63, Karaganda, 100009, Kazakhstan
Qazmetals Engineering, Mukanov street 61/2, 198, Karaganda, 100024, Kazakhstan
Toraighyrov University, Lomov street 64, Pavlodar, 140008, Kazakhstan
Chemical-Metallurgical Institute named after Zh. Abishev
Qazmetals Engineering
Toraighyrov University
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