Leachate pollution management to overcome global climate change impact in Piyungan Landfill, Indonesia

Environmental problems associated with the landfill system are generated by domestic waste landfills, especially those with open dumping systems. In these systems, waste degrades and produces some gases, namely methane gas (CH4) and carbon dioxide (CO2), which can cause global climate change. This r...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-03, Vol.129 (1), p.12005
Main Authors: Harjito, Suntoro, Gunawan, T, Maskuri, M
Format: Article
Language:English
Subjects:
Aquifers
Carbon dioxide
Climate change
Contamination
Dumping
Electrical conductivity
Electrical resistivity
Environmental impact
Environmental management
Global climate
Groundwater
Groundwater pollution
Household wastes
Ion concentration
Landfill
Landfill management
Landfills
Leachates
Methane
Pollution
Rain water
Waste disposal sites
Waste treatment
Water table
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Summary:Environmental problems associated with the landfill system are generated by domestic waste landfills, especially those with open dumping systems. In these systems, waste degrades and produces some gases, namely methane gas (CH4) and carbon dioxide (CO2), which can cause global climate change. This research aimed at identifying the areas that experience groundwater pollution and the spread pattern of leachate movement to the vicinity as well as to develop a leachate management model. The Electricity Resistivity Tomography (ERT) survey is deployed to assess the distribution of electrical resistivity in the polluted areas. In this study, the groundwater contamination is at a very low in the aquifer zone, i.e., 3-9 Ωm. It is caused by the downward migration of leachate to water table that raises the ion concentration of groundwater. These ions will increase the electrical conductivity (EC), i.e., up to 1,284 μmhos/cm, and decrease the electrical resistivity. The leachate spreads westward and northward at a depth of 6-17 m (aquifer) with a thickness of pollution between 4 and11 m.The recommended landfill management model involves the installation of rainwater drainage, use of cover and baseliner made of waterproof materials, and massive waste treatment.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/129/1/012005