Evaluation of Leachate Recirculation as a Stabilisation Strategy for Landfills in Developing Countries

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, B...

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Bibliographic Details
Published in:Energies (Basel) 2022-09, Vol.15 (17), p.6494
Main Authors: Sandoval-Cobo, John, Caicedo-Concha, Diana, Marmolejo-Rebellón, Luis, Torres-Lozada, Patricia, Fellner, Johann
Format: Article
Language:English
Subjects:
Air pollution
Air quality management
Analysis
Biochemical oxygen demand
Biodegradable materials
Biodegradation
Biogas
Biomass energy
Bioreactors
Cellulose
Chemical oxygen demand
Control systems
Developing countries
Disposal sites
Dry matter
Emissions
Emissions control
Evaluation
Gas discharges
Gases
Greenhouse effect
Greenhouse gases
Hydraulics
Industrialized nations
Landfill
Landfills
LDCs
leachate recirculation
Leachates
Lignin
Mass balance
Methane
Mineralization
Moisture content
Natural gas
Organic carbon
Organic matter
Refuse and refuse disposal
renewable energy
Sanitary landfills
Simulation
Sustainability
Sustainable development
Total organic carbon
Volatile solids
Waste disposal sites
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Summary: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 (
ISSN:1996-1073
1996-1073
DOI:10.3390/en15176494