Section

Environmental Safety Construction and Town Economy

Title

ASSESSMENT DECOMPOSITION DEGREE OF MUNICIPAL SOLID WASTE WITH DIFFERENT DISPOSAL PERIOD ACCORDING TO THE COMPOSITION

Сontributors

Yu. M. Zagorskaya, assistant of the Department of Environmental Protection, Post-graduate Student of Perm National Research Polytechnic University, This email address is being protected from spambots. You need JavaScript enabled to view it.,

Yu. V. Zavizion, engineer of the Department of Environmental Protection,

Post-graduate Student of Perm National Research Polytechnic University, This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract

This paper analyzes the results of the determination of fractional and morphological composition of 57 samples of the waste, a characterized by disposal period from 1 year to 60 years. Established a strong relationshi p between the age of waste samples and content of landfill soil, polymers, waste fraction <20 mm, 50-100 mm, >100 mm. The decomposition degree of waste as the ratio of the current landfill soil content to limit its content, with the full destruction of biodegradable components. Established that the most active chemical processes and mechanical degradation occur in the first 5 years of waste dumping, indicating that the active phase of biogas in this period. Waste disposal for more than 20 years been subjected to the most complete accessible to biochemical decomposition, but to reach disposal period of 60 years of processes have not been completed, there is a probability of further mechanical deformation dump array.

Keywords

decomposition degree, municipal solid waste, morphological, fractional structure

References

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