COAL PREPARATION
Original Paper
UDC 662.613.11:662.613.136 © B.P. Kulikov 1, E.V. Manujlov 2, L.M. Larionov1, I.L. Konstantinov 1, D.S. Voroshilov 1, 2024
ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2024, № 10, pp. 17-23
DOI: http://dx.doi.org/10.18796/0041-5790-2024-10-17-23
Title
RESEARCH INTO PROPERTIES OF BURNT ROCK FROM COAL MINE DUMPS TO ASSESS THE POSSIBILITY OF ITS USE AS AN ACTIVE MINERAL ADDITIVE IN CEMENT PRODUCTION
Authors
B.P. Kulikov, E.V. Manujlov, L.M. Larionov, I.L. Konstantinov, D.S. Voroshilov, 2024
1 Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
2 «Iskitimcement» JSC, Iskitim, 633209, Russian Federation е-mail: Kulikov-Boris@yandex.ru
Authors Information
Kulikov B.P. – Doctor of Chemistry Sciences, Leading Researcher, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation, е-mail: Kulikov-Boris@yandex.ru
Manujlov E.V. – Chief Specialist of the Development Department, «Iskitimcement» JSC, Iskitim, 633209, Russian Federation, е-mail: htcpro@yandex.ru
Larionov L.M. – Research Engineer, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation, е-mail: larionov59@rambler.ru
Konstantinov I.L. – PhD (Engineering), Senior Researcher of the Laboratory of Low Carbon Metallurgy and Power Engineering, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation, е-mail: ilcon@mail.ru
Voroshilov D.S. – PhD (Engineering), Head of the Laboratory of Physicochemistry of Metallurgical Processes and Materials, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation, е-mail: d.s.voroshilov@gmail.com
Abstract
The paper presents the results of studying burnt rock from coal mine dumps in order to assess the possibility of its use as an active mineral additive in cement production. Composition, structure and properties of the burnt rock have been studied using X-ray phase and crystal optical analysis as well as the electron microscopy methods. The results of laboratory tests to produce cement using the clinker from the Iskitimskiy cement plant with addition of burnt rock are presented and its advantages in comparison with the cement containing granulated blast-furnace slag are shown. Factors defining the increased activity of the burnt rock have been determined. It is shown that for conditions of the Iskitimcement JSC it is possible to obtain Grade CEM II /A cement of the first group that matches the requirements of GOST 30515-2013 and Grade CEM II /A-G32,5 B cement to comply with GOST 31108-2020.
Keywords
Burned rock, granulated blast furnace slag, active mineral additive, pozzolanic reaction, electron microscopy, physical and mechanical properties of cement.
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Acknowledgment
The work was performed within the framework of the state research assignment of the Siberian Federal University, Project No. FSRZ-2023-0009.
For citation
Kulikov B.P., Manujlov E.V., Larionov L.M., Konstantinov I.L., Voroshilov D.S. Research into properties of burnt rock from coal mine dumps to assess the possibility of its use as an active mineral additive in cement production. Ugol’. 2024;(10):17-23. (In Russ.). DOI: 10.18796/0041-5790-2024-10-17-23.
Paper info
Received July 31, 2024
Reviewed September 16, 2024
Accepted September 26, 2024
