Features of the morphological composition of municipal solid waste landfills in the Moscow region

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Based on the analysis of literature sources, as well as official government Internet resources, the data were obtained about the volume of waste arriving at landfills in the Moscow region. In addition, the information presented in the studied sources reveals the average morphological composition, factors influencing its individual components, mechanisms of decomposition of organic matter and its impact on the environment. Using the data obtained during engineering surveys for the remediation of several landfills in the Moscow region, this article investigates the morphological composition of waste based on geographic location, age, closure date of landfills, and changes in component ratios with depth. The study reveals that up to 60% of landfill consists of organic fractions, their content being higher in landfills younger than 50 years and in the upper layers. Organic matter is replaced by solid particles within a 15-meter interval, with the highest processing of food waste having been noted at a depth of abount 5 meters. Other relatively inert fractions undergo crushing and gradually transform into screenings, constituting an average of 40–45%.

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Sobre autores

Е. Solomatina

Sergeev Institute of Environmental Geoscience, Russian Academy of Sciences

Autor responsável pela correspondência
Email: baira-lala@mail.ru
Rússia, Moscow

G. Zarnitsyn

Sergeev Institute of Environmental Geoscience, Russian Academy of Sciences

Email: baira-lala@mail.ru
Rússia, Moscow

Bibliografia

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2. Fig. 1. Morphological composition of waste arriving at solid municipal waste landfills [12].

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3. Fig. 2. Expert assessment of the structure of MSW in Russia [9].

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4. Fig. 3. Average morphological composition of waste at the base of a landfill body at landfills (1960–2000) in the Moscow region (the number in brackets is the decade of commissioning of the landfill).

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5. Fig. 4. Average morphological composition of waste (after the 2010s) in the upper parts of the landfill body of the Moscow Region landfills (the number in brackets is the year of completion of the landfill operation).

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6. Fig. 5. Average morphological composition of waste at landfills in the Moscow region (letter in brackets indicates the location of the landfill according to the cardinal directions).

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7. Fig. 6. Average morphological composition of waste placed in landfills in the Moscow region.

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8. Fig. 7. Diagram of food waste content at different depths of landfills in the Moscow region.

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9. Fig. 8. Content of paper and cardboard at different depths of landfills in the Moscow region.

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