Studies of Utilization of Technogenic Raw Materials in the Synthesis of Cement Clinker from It and Further Production of Portland Cement
Zhanikulov N. Sapargaliyeva B. Agabekova A. Alfereva Y. Baidibekova A. Syrlybekkyzy S. Nurshakhanova L. Nurbayeva F. Sabyrbaeva G. Zhatkanbayev Y. Kozlov P. Izbassar A. Kolesnikova O.
June 2023MDPI
Journal of Composites Science
2023#7Issue 6
Four series of experiments were carried out to study the possibility of replacing clay and an iron-containing component with tefritobasalt and lead slag as part of the initial charge for Portland cement. The experiments were carried out at atmospheric pressure and a temperature of 1350 °C. It was shown that the replacement of clay and an iron-containing component with tefritobasalt and lead slag as part of the initial charge in the cement industry will lead to a decrease in temperature by 100 °C in the technological scheme of production and a reduction in energy consumption, since the theoretical specific consumption of raw materials is 1.481 t/t of clinker, which is approximately 70 kg lower than in traditional mixtures. The content of non-traditional components in total was 24.69%. In addition, tefritobasalts improved clinker formation processes, contributed to a decrease in the firing temperature, and intensified the clinker firing process. A small amount of lead slag (5.06%) introduced into the mixture changed the structure of the clinker and improved the process of mineral formation while also improving roasting and reducing the anthropogenic impact on the environment through the disposal of man-made waste. The strength of the experimental composite cements was tested after 7 and 28 days on small samples measuring 2 × 2 × 2 cm. The physicomechanical characteristics and structure of composite cements were studied.
clinker , composite materials , engineering , environmental pollution , genesis , industrial and technogenic waste , lead slag , non-ferrous metals , Portland cement , utilization
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Academician E.A. Buketov Karaganda University, Karaganda, 100028, Kazakhstan
Abai Kazakh National Pedagogical University, Almaty, 050010, Kazakhstan
Department of Electrical Engineering, H. A. Yassavi International Kazakh-Turkish University, Turkestan, 161200, Kazakhstan
M.V. Lomonosov Moscow State University, Moscow, 119991, Russian Federation
Department of Higher Mathematics and Physics for Technical Specialties, M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Department of Ecology and Geology, Sh. Yesenov Caspian University of Technology and Engineering, Aktau, 130002, Kazakhstan
Department of Petrochemical Engineering, Sh. Yesenov Caspian University of Technology and Engineering, Aktau, 130002, Kazakhstan
Department of Chemistry, M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Polytechnic Institute, Far Eastern Federal University, Vladivostok, 690922, Russian Federation
Department of Construction Engineering, Sh. Yesenov Caspian University of Technology and Engineering, Aktau, 130002, Kazakhstan
M. Auezov South Kazakhstan University, Shymkent, 160012, Kazakhstan
Academician E.A. Buketov Karaganda University
Abai Kazakh National Pedagogical University
Department of Electrical Engineering
M.V. Lomonosov Moscow State University
Department of Higher Mathematics and Physics for Technical Specialties
Department of Ecology and Geology
Department of Petrochemical Engineering
Department of Chemistry
Polytechnic Institute
Department of Construction Engineering
M. Auezov South Kazakhstan University
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