2022
DOI: 10.3390/en15176494
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Evaluation of Leachate Recirculation as a Stabilisation Strategy for Landfills in Developing Countries

Abstract: This study evaluated leachate recirculation (LR) as a stabilisation strategy for landfills using bioreactor experiments with excavated waste from a tropical landfill in Colombia. The experimental evaluation was performed in two 115 L bioreactors, one simulating the operation of a landfill with LR, Br2, where the leachate produced was recirculated at a rate of 0.8 L d−1, and a control system without LR, Br1. Both systems reached stabilisation indicator values on a dry matter (DM) basis for volatile solids VS (&… Show more

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Cited by 5 publications
(1 citation statement)
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“…In the context of landfills, hydraulic conductivity measures how easily water or leachate can flow through the waste mass. Additionally, hydraulic conductivity in landfills can also vary over time as the organic matter degradation process progresses, leading to a decrease in particle size and an increase in the specific weight of the residue, ultimately resulting in lower values of hydraulic conductivity 42 . As the proportion of non-degradable components increases in the residue, the specific weight of the landfill waste also increases.…”
Section: Discussionmentioning
confidence: 99%
“…In the context of landfills, hydraulic conductivity measures how easily water or leachate can flow through the waste mass. Additionally, hydraulic conductivity in landfills can also vary over time as the organic matter degradation process progresses, leading to a decrease in particle size and an increase in the specific weight of the residue, ultimately resulting in lower values of hydraulic conductivity 42 . As the proportion of non-degradable components increases in the residue, the specific weight of the landfill waste also increases.…”
Section: Discussionmentioning
confidence: 99%