COAL PREPARATION
Original Paper
UDC 332.365:658.567© S.A. Prokopyev, O.L. Alekseeva, D.Yu. Savon, A.E.Safronov, E.S.Prokopyev, 2024
ISSN 0041-5790 (Print) • ISSN 2412-8333 (Online) • Ugol’ – Russian Coal Journal, 2024, № 2, pp. 79-84
DOI: http://dx.doi.org/10.18796/0041-5790-2024-2-79-84
Title
PROCESSING AND DISPOSAL OF WASTE COAL SLUDGE, STALE TAILINGS AT PROCESSING PLANTS AS A METHOD OF RESOURCE CONSERVATION IN CONDITIONS OF SUSTAINABLE DEVELOPMENT
Authors
Prokopyev S.A.,1,2 Alekseeva O.L.,1,2 Savon D.Yu.3,Safronov A.E.4, Prokopyev E.S.1,2
1Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences, 664033, Irkutsk, Russian Federation
2 LLC Research and Production Company Spirit, Irkutsk, 664033, Russian Federation
3National Research University of Science and Technology (MISIS), Moscow, 119049, Russian Federation
4FSBEI HE "Don State Technical University", Rostov-on-Don, 344010, Russian Federation
Authors information
Prokopyev S.A. PhD (Engineering), Head of the Department of Complex Utilization of Mineral Raw Materials,
General Director, е-mail: psa@spirit-irk.ru
Alekseeva O.L.Leading engineer, Director for Economics and Finance, е-mail: aol@spirit-irk.ru
Savon D.Yu. Doctor of Economic Sciences, Рrofessor of the Department of Economy, e-mail: di199@yandex.ru
Safronov A.E., Doctor of Economic Sciences, Professor of the Department of Management and Business Technologies, е-mail: reception@dstu.edu.ru
Prokopyev E.S. Junior Researcher,Director for Technology and Innovation, е-mail: pes@spirit-irk.ru
Abstract
For many years, Kuzbass has been dealing with issues of obtaining products from the tailings of iron ore processing at the largest processing plants. The article identifies the problems of sludge enrichment and develops a waste-free technology for processing coal sludge, stale tailings of coal-processing plants. The authors tested the stale tailings of Kuzbass and the current tailings of coal enrichment at the Abashevskaya, Kuznetsk Central and Krasnobrodskaya OF. A processing stand was manufactured and assembled for semi-industrial tests of raw materials, during the tests carried out on the processing of stale tailings of Kuzbass coal processing plants, data were obtained for the development of technical regulations, product yields were determined, the solid content in each operation of the technological scheme. According to the developed magnetic gravity technology, the authors confirmed the possibility of obtaining a coal concentrate with an ash content of less than 20%, an iron-containing concentrate with a mass fraction of iron of at least 62%. In this regard, a very important issue for the coal mining industry is the introduction of coal processing plants into the processing of hydraulic dumps, which belong to the I group of man-made deposits of carbonaceous raw materials. Involvement in sludge processing will help solve the problem of resource conservation, protection of the subsoil, rational use of the subsoil and environmental protection.
Keywords
Coal sludge, Resource conservation, Energy-saving technologies, Enrichment technologies, Coal-processing plants.
References
1. Samarina V., Skufina T., Samarin A. & Ushakov D. Modern conditions and prospects of Russia’s coal mining industry development. Espacios, 2019, Vol. 40, N. (16), pp. 6.
2. Savon D.Y., Safronov A.E., Vikhrova N.O., Kruzhkova G.V. & Goncharov M.S. Impact of the crisis on the financial performance of the coal industry.Ugol’, 2022, (11), pp. 62-68 (In Russ.). DOI: 10.18796/0041-5790-2022-11-62-68.
3. Lyalin A.М., Zozulya A.V., Eremina T.N. & Zozulya P.V. Current trends in the development of the coal industry, taking into account the impact of the pandemic. Ugol’, 2021, (5), pp. 62-65. (In Russ.). DOI: 10.18796/0041-5790-2021-5-62-65.
4. Chernova O.A. Stress factors of sustainable development of the Russian coal industry. Journal of Applied Economic Research, 2022, (1), pp. 49-78. (In Russ.). DOI: 10.15826/vestnik.2022.21.1.003.
5. Shinkevich A.I., Kudryavtseva S.S. & Ershova I.G. Modelling of energy efficiency factors of petrochemical industry. International Journal of Energy Economics and Policy, 2020, (10), pp. 465-470. DOI: 10.32479/ijeep.9396.
6. Samarina V.P., Skufina T.P. & Savon D.Yu. Comprehensive assessment of sustainable development of mining and metallurgical holdings: problems and mechanisms of their resolution. Ugol’, 2021, (7), pp. 20-24. (In Russ.). DOI: 10.18796/0041-5790-2021-7-20-24.
7. Novoselov S.V., Melnik V.V. & Agafonov V.V. Export-oriented development strategy of the coal companies of Russia – the main factor ensuring their financial stability. Ugol, 2017, (11), pp. 54-56. (In Russ.). DOI: 10.18796/0041-5790-2017-11-54-56.
8. Malyshev Yu., Kovalchuk A. & Rozhkov A. Coal industry: search for reference points in the times of change. Energeticheskaya politika, 2021, (2), pp. 18-29. (In Russ.). DOI: 10.46920/2409-5516-2021-2156-18.
9. Goncharov M.S., Savon D.Yu., Safronov A.E. & Ryadnov V.I. The coal industry in the Far North: distinctive features, current status and a development concept. Sever i rynok: formirovanie ekonomicheskogo poryadka, 2023, (1), pp. 95-107. (In Russ.). DOI:10.37614/2220-802X.1.2023.79.006.
10. Usoltseva I.O., Perederin Yu.V. & Kraydenko R.I. Coal enrichment: current technological state. Polzunovskij vestnik, 2017, (3), pp. 131-137. (In Russ.).
11. Campbell B. Corporate influence and the global pandemic – reflections from the mining sector. Revista Brasileira de Pol?tica Internacional [online], 2022, Vol. 65, (1). [Accessed 18 June 2023], e001. DOI: 10.1590/0034-7329202200101.
12. Khamzina T. Coal sludge: a second life. Globus, 2021, (1). [Electronic resource]. Available at: https://www.vnedra.ru/tehnologii/ugolnyj-shlam-vtoraya-zhizn-13710/ (accessed: 15.01.2024).
13. ITS 37–2017. Information and technical reference book on the best available technologies. Coal mining and preparation. (In Russ.).
14.Prokopyev S.A., Alekseeva O.L., Savon D.Yu., Kostyukhin Yu.Yu. & Prokopyev E.S.Theprocess of developing coal enrichment technologies in Russiaand abroad. Ugol’, 2023, (11), pp. 96-101. (In Russ.). DOI: 10.18796/0041-5790-2023-11-96-101.
15. Prokopyev S.A. Overview of coal sludge gravity concentration technologies. Nauki o Zemle i nedropol?zovanie, 2022, (45), pp. 458-468. (In Russ.). DOI: 10.21285/2686-9993-2022-45-4-458-468.
Acknowledgements
The research was performed as part of the Integrated Scientific and Technical Programme of the Ministry of Science and Higher Education of the Russian Federation № 075-15-2022-1192 "Processing of coal mill tailings in order to obtain commercial coal concentrate” with support of the ‘Development and implementation of complex technologies in the areas of exploration and extraction of minerals, industrial safety, bioremediation, creation of new deep conversion products from coal raw materials while consistently reducing the environmental impact and risks to human life’ Integrated Scientific and Technical Programme of the Full Innovation Cycle, approved by Order No. 1144-р of the Government of the Russian Federation on May 11, 2022.
For citation
Prokopyev S.A., Alekseeva O.L.,Savon D.Yu.,Safronov A.E. & Prokopyev E.S.Processing and disposal of waste coal sludge, stale tailings at processing plants as a method of resource conservation in conditions of sustainable development. Ugol’, 2024, (2), pp. 79-84. (In Russ.). DOI: 10.18796/0041-5790-2024-2-79-84.
Paper info
Received December 28, 2023
Reviewed January 15, 2024
Accepted January 26, 2024
