Production of Composite Cement Clinker Based on Industrial Waste
Kuandykova A. Taimasov B. Potapova E. Sarsenbaev B. Kolesnikov A. Begentayev M. Kuldeyev E. Dauletiyarov M. Zhanikulov N. Amiraliyev B. Abdullin A.
July 2024Multidisciplinary Digital Publishing Institute (MDPI)
Journal of Composites Science
2024#8Issue 7
The possibility of producing cement clinker using low-energy, resource-saving technologies is studied. The composition of industrial waste for low-energy-intensive production of Portland cement clinker at factories in Southern Kazakhstan is analyzed. The possibility of replacing the deficient iron-containing corrective additive with “Waelz clinker for zinc ores” is shown. “Waeltz clinker from zinc ores” as part of the raw material charge performs several tasks: it is a ferrous corrective additive, works as a mineralizer for clinker formation processes, introduces coal into the charge and allows one to reduce the consumption of natural fuel. The processes of burning raw mixtures, wholly or partially consisting of industrial waste, are completed at 1350 °C. This reduces the consumption of main burner fuel for clinker burning and reduces CO2 emissions into the atmosphere. High-quality cement clinker is obtained based on raw material mixtures with Waeltz clinker from zinc ores from the Achisai Metallurgical Plant, phosphorus slag, coal mining waste from Lenger mines and sodium fluoride. The phase composition and microstructure of low-energy clinkers are revealed. Involving industrial waste in raw material circulation will reduce environmental pollution and improve the environment.
composite materials , environmental engineering , fuel consumption , industrial waste , Portland cement clinker , roasting , zinc ore , “Waeltz clinker from zinc ores”
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Department of Silicate Technology and Metallurgy, M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Department of Chemical Technology of Composite and Binding Materials, D. I. Mendeleev, Russian University of Chemical-Technological, Moscow, 125480, Russian Federation
Scientific Research Laboratory «Building Materials, Construction and Architecture», M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Department of Life Safety and Environmental Protection, M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
K.I. Satpayev Kazakh National Research Technical University, Almaty, 050013, Kazakhstan
Department of Inorganic and Technical Chemistry, E.A. Buketov, Karaganda University, Karaganda, 100028, Kazakhstan
Department of Silicate Technology and Metallurgy
Department of Chemical Technology of Composite and Binding Materials
Scientific Research Laboratory «Building Materials
Department of Life Safety and Environmental Protection
K.I. Satpayev Kazakh National Research Technical University
Department of Inorganic and Technical Chemistry
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