What is leachate?
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Leachate is a contaminated liquid that results from the percolation of rainwater through waste materials in landfills, containing various pollutants like organic matter, heavy metals, ammonia, and toxic chemicals. It poses a significant risk to soil, surface water, and groundwater ecosystems due to its detrimental effects on living organisms and biodiversity. Proper disposal and treatment of leachate are crucial to prevent environmental contamination. Treatment methods include biological processes like nitrification-denitrification, coagulation, flocculation, and decantation, which have shown effectiveness in removing pollutants from leachate. The composition of leachate can vary based on factors such as landfill age, waste type, and climatic conditions, highlighting the importance of understanding and managing leachate to mitigate its harmful impacts on the environment.
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|---|---|
| Leachate is a complex organic liquid formed in landfills by water percolating through waste. It can be treated through methods like biological nitrification-denitrification and evaporation. | |
Open access•Journal Article | Leachate is contaminated liquid formed when rainwater percolates through landfill waste, picking up organic, inorganic, and suspended particles. It poses environmental risks due to high pollutant levels. |
23 Jun 2022 | Leachate is the aqueous effluent from waste filtration, containing organic matter, ammonia-nitrogen, and toxic chemicals, posing risks to ecosystems. It is extensively studied by ASEAN authors. |
1 Citations | Leachate is a highly contaminating liquid from landfills, posing environmental challenges. Treatment complexities arise due to its varied composition, requiring efficient processes like biological and coagulation methods. |
09 Nov 2022 2 Citations | Leachate is the liquid that extracts waste from landfills, containing pollutants like heavy metals and organic compounds, which can contaminate groundwater if not disposed of properly. |
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