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PECULIARITIES OF THE COMPOSITION AND PROPERTIES OF ASH AND SLAG WASTE FROM THE APATITY THERMAL POWER PLANT, MURMANSK REGION
JOURNAL: Volume 15, No. 4, 2025, p. 619-627HEADING: Regional problems
AUTHORS: Krasavtseva, E.A., Ivanova, L.A.
ORGANIZATIONS: Polar Alpine Botanical Garden and Institute of the Kola Science Centre of the RAS, Kola Science Center of the Russian Academy of Sciences
DOI: 10.25283/2223-4594-2025-4-619-627
UDC: 622.011.4
The article was received on: 19.05.2025
Keywords: rare earth elements, ash dumps, engineering-geological characteristics, X-ray phase analysis, material composition
Bibliographic description: Krasavtseva, E.A., Ivanova, L.A. Peculiarities of the composition and properties of ash and slag waste from the Apatity Thermal Power Plant, Murmansk Region. Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2025, vol. 15, no. 4, pp. 619-627. DOI: 10.25283/2223-4594-2025-4-619-627. (In Russian).
Abstract:
The stored waste of coal power facilities has a negative impact on the components of the environment. The article presents the results of the study of the composition and properties of the ash and slag mixture of the Apatity TPP, Murmansk Region. Samples of coal combustion waste were collected and studied. Engineering and geological characteristics and granulometric composition of the samples were determined. X-ray phase analysis of the samples was carried out. The chemical composition of the waste was determined. The results of the study indicate the likelihood of dust formation on the surface of the ash and slag dump during the snowless season. The established content of rare earth elements suggests the possibility of considering the accumulated waste as a technogenic raw material for the subsequent extraction of valuable components.
Finance info: The study was carried out with the support of the Russian Science Foundation grant No. 25-27-00094 “Ecological substantiation of the technology for stabilizing dusty surfaces of ash dumps using non-traditional ameliorants based on sewage sludge in the conditions of the Kola North”, https://rscf.ru/project/25-27-00094/.
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