Thermodynamic and Technological Studies of the Electric Smelting of Satpaevsk Ilmenite Concentrates
Myrzakulov M.K. Jumankulova S.K. Barmenshinova M.B. Martyushev N.V. Skeeba V.Y. Kondratiev V.V. Karlina A.I.
November 2024Multidisciplinary Digital Publishing Institute (MDPI)
Metals
2024#14Issue 11
This work presents the results of thermodynamic and technological studies of the reducing electric smelting of low-quality and difficult-to-recover Satpaevsk ilmenite concentrates in the presence of sodium carbonate (Na2CO3) as a flux. In the course of thermodynamic studies, according to literature data and using the HSC Chemistry 8 program, the state diagrams of the FeO-TiO2, FeO-Fe2O3-TiO2, Na2O-TiO2, Na2O-SiO2, Ti-C-O and Fe-C-O systems and the possibility of reactions in the temperature range of 500–1600 °C (without smelting of titanium, 1678 °C), taking into account phase transitions, were studied. The article also presents the results of technological studies of the above process. In general, the research results showed the possibility of using sodium carbonate (Na2CO3) as a flux in the charge of the electric smelting of low-quality Satpaevsk ilmenite concentrates. It has been established that the addition of 4.5–5% of Na2CO3 allows for reducing the temperature and the duration of electric smelting, the viscosity of the melt, and the complete separation of the smelting products (cast iron from slag).
cast iron , electric smelting , experiments , Gibbs free energy , ilmenite concentrate , reaction , sodium carbonate , state diagram , thermodynamic analysis , titanium slag
Text of the article Перейти на текст статьи
Institute of Energy and Mechanical Engineering, Satbayev University, Almaty, 050013, Kazakhstan
Mining and Metallurgical Institute, Satbayev University, Almaty, 050013, Kazakhstan
Department of Information Technology, Tomsk Polytechnic University, Tomsk, 634050, Russian Federation
Department of Industrial Machinery Design, Novosibirsk State Technical University, Novosibirsk, 630073, Russian Federation
Institute of Geochemistry of the Siberian Branch of the Russian Academy of Sciences, Irkutsk, 664033, Russian Federation
Stroytest Research and Testing Centre, Moscow State University of Civil Engineering, 26, Yaroslavskoye Shosse, Moscow, 129337, Russian Federation
Institute of Energy and Mechanical Engineering
Mining and Metallurgical Institute
Department of Information Technology
Department of Industrial Machinery Design
Institute of Geochemistry of the Siberian Branch of the Russian Academy of Sciences
Stroytest Research and Testing Centre
10 лет помогаем публиковать статьи Международный издатель
Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026