Research of composition and properties of ash and slag waste from the Thermal Power Plant of Trans-Baikal region for decrease of anthropogenic impact on environment

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The anthropogenic impact on environment of ash and slag waste of CHP 1 and CHP 2 (Chita) and CHP “Priargunsky Industrial Mining and Chemical Union” (Krasnokamensk) is considered. These wastes cause irreparable damage to the environment, occupy a significant area, lead to a deterioration of the environmental situation in the surrounding areas. Liquidation of such objects of accumulated harm to the environment is the most important state task in the areas of national economy and environmental protection. Rapid recycling of ash and slag waste is possible in road construction (the main material-intensive sector of the national economy) due to large-capacity direct use. This will effectively reduce the anthropogenic impact on the environment and significantly reduce the use of mineral raw. The principal possibility of using of fly ash as a secondary mineral raw material in compositions of road soil concrete is substantiated. The methods of atomic emission spectrometry with inductively coupled plasma, differential scanning calorimetry and thermogravimetry were used to study the composition and properties of fly ash of CHP, which is a first-class mineral raw based on the specific effective activity of natural radionuclides (226Ra, 232Th, 40K), which allows their use in the construction industry without restrictions. It has been established that fly ash is non-porous, its hydraulic properties are classified as latent-active and can be added to road cement soils modified with additives of different nature.

About the authors

Pavel P. Pankov

Trans-Baikal Institute of Railway Transport

Author for correspondence.

junior researcher of the Department of Technosphere Safety

11 Magistralnaya St, Chita, 672040, Russian Federation

Nataliya A. Konovalova

Trans-Baikal Institute of Railway Transport


PhD in Chemistry, leading researcher of the Department of Technosphere Safety

11 Magistralnaya St, Chita, 672040, Russian Federation

Dmitry V. Bespolitov

Trans-Baikal Institute of Railway Transport


graduate student of the Department of Technosphere Safety

11 Magistralnaya St, Chita, 672040, Russian Federation


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Copyright (c) 2020 Pankov P.P., Konovalova N.A., Bespolitov D.V.

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