MELTING OF CALCINED PELLETS WITH PRODUCTION OF HIGH-CARBON FERROCHROME
Tastanov Y. Sadykov N. Dossekenov M.
2024Faculty of Metallurgy
Metalurgija
2024#63Issue 2264 - 266 pp.
The use of composite calcined pellets obtained according to a sequential scheme of chemical and gravitational beneficiation of dump sludge tailings of the Dubersay tailing dump as a part of a charge with factory chromium concentrate enabled to obtain high-carbon ferrochrome FeCr70C90Si4LP China Standard where the low phospho-rus content is not more than 0,03 % and that of sulfur is not more than 0,1 %. The obtained samples of high-carbon ferrochrome and slag were studied. The maximum chromium content was 57,14 % at 1 750 °C, the charge sample included 50 % of experimental pellets and 50 % of factory concentrate and reducing agent 17 %, chromium recovery into the alloy was 80 %.
ferrochrome , melting , pellets alloy , sludge tailings
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Satbayev University, Institute, of Metallurgy and Ore Beneficiation, Almaty, Kazakhstan
ERG Research Engineering Center LLP, Kazakhstan
Satbayev University
ERG Research Engineering Center LLP
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