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MODERN TECHNICAL SOLUTIONS AND AN INTEGRATED APPROACH TO THE ELIMINATION OF COMBUSTION FOCI AT LANDFILLS OF MSW (ON THE EXAMPLE OF THE ROSTOV REGION)

O. V. Denisov, Е. С. Андреева, I. V. Bogdanova

Abstract

The article is devoted to the discussion of the application of the complex of technicalsolutions developed by the authors of the article aimed at eliminating the gorenje firesthat arise and develop within the landfills of solid municipal waste near urbanizedterritories. As is known, due to the growing number of municipal solid waste landfillsnear settlements, a number of geoecological problems are increasing, among which themost acute are the problems of pollution of the lower layer of air, surface andunderground water, and others. This unfavorable situation is currently developing notonly in the world, the Russian Federation, but also within the Rostov region. One of themost complex geoecological problems arising in connection with the functioning ofmunicipal solid waste landfills is the problem of the genesis and development of surfacefires in the household waste layer. As shown in a number of scientific studies, ignitionin this waste layer is caused by the formation of biogas, which contains, among othergases, methane, which is characterized by the ability to self-ignite. At the same time,concern is caused not only by the actual dangerous factors of fire propagation, but alsoby the subsequent significant contamination of the surface layer of the air by gorenjeproducts, including carcinogenic or mutagenic ones. The proximity of settlements withpopulations of different age groups, as well as a number of geographical factorsaffecting the diffusion of gaseous combustion products and man-made aerosols, willundoubtedly determine the increased socio-environmental risks, which necessitates thedevelopment of effective measures to combat these man-made fires. To achieve thisgoal, the article describes a number of technical solutions aimed at eliminating burningfoci at municipal solid waste landfills, in particular, the version of a hydro-mechanicalfire barrel developed by the authors of the article for wetting burning natural andartificial soils and bases, including layers of waste consumption with a fireextinguishing liquid.

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DOI resolver: doi.org/10.5593/sgem2021v/4.2/s19.a13

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