Environmental Pollution with Heavy Metals: Case Study of the Household Waste
Author
Ishchenko, V. A.
Vasylkivskyi, I. V.
Іщенко, В. А.
Васильківський, І. В.
Date
2020Metadata
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Abstract
This study is dedicated to the assessment of the heavy metals pollution
of environment through analysis of the heavy metals sources and the measuring
their concentrations in leachate and soil near landfills. Main sources of heavy
metals in the household waste are identified. The environmental pollution with
some heavy metals (Cr, Pb, Cd, Ni) was assessed. Soil contamination by heavy
metals near the landfills was analyzed by measuring their concentrations in the
soil on different distances the landfill. The limit exceeding was not observed
for any heavy metal. Only cadmium has demonstrated a strong correlation be-tween the distance the landfill and the concentration. The research also con-firms depending of heavy metals migration on the landfill conditions and on its
compliance with requirements. Also, heavy metals concentrations are defined in
the leachate collected using the landfill-simulating reactors. Heavy metals con-tent was identified as high. Higher concentrations are found more organic
fraction is present in the waste. There are conditions inside the reactors, espe-cially acidity, which are crucial at the early stages. Further, a significant impact
can be caused by unequal distribution of heavy metals in the waste body. Due to
accelerated water regime in the reactors, the heavy metals concentrations in a
landfill leachate are predicted up to 50-55 years. Forecast shows multiple (2-18
times) exceeding the allowable concentrations of all heavy metals, even after
long-time landfill usage.
Please use this identifier to cite or link to this item:
http://ir.lib.vntu.edu.ua//handle/123456789/34516