Abstract
Landfill leachate is the liquid that extracts waste from the landfill and seeps into the ground. It is necessary to dispose of the leachate properly to avoid hazardous effects on the environment. Landfill leachate contains pollutants like heavy metals, organic, inorganic compounds, xenobiotic compounds, etc. It mixes with subsoil and contaminates the groundwater. For effective treatment of landfill leachate, it's necessary to study the physicochemical, biological characteristics, and environmental behavior. The concentration of heavy metals in leachate and the degree of contamination of groundwater are determined. In order to remove these metals, various treatments are discussed. The paper reviews the analysis of landfill leachate and the quality of groundwater. Leachate pollution indexes (LPI) of landfill leachate are determined through physiochemical analysis. The overall leachate pollution potential and its hazardous nature are estimated through LPI. The results from different studies are compared with Bureau of Indian Standards (BIS) and World Health Organization (WHO) guidelines. The results provided important information on landfill leachate studies, and further scope of research has been discussed in detail.
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Ranjan, S., Singh, D., Kumar, S. (2023). Analysis of Landfill Leachate and Contaminated Groundwater: A Review. In: Agnihotri, A.K., Reddy, K.R., Chore, H.S. (eds) Proceedings of Indian Geotechnical and Geoenvironmental Engineering Conference (IGGEC) 2021, Vol. 2. IGGEC 2021. Lecture Notes in Civil Engineering, vol 281. Springer, Singapore. https://doi.org/10.1007/978-981-19-4731-5_5
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