Abstract
Solid waste management (SWM) and disposal is a major environmental concern in recent times and is getting rapidly complicated day by day. In developing countries, municipal solid waste (MSW) is generally disposed of through open dumping and landfilling in semiengineered landfills resulting in the generation of a huge amount of greenhouse gases like CO2 and CH4. Methane has the highest climate change impact (5.94 kg CO2eq/KWhe). Again, methane can be used as a renewable energy source since its energy generation potentiality is 37.2 MJ/m3.
The objective of this study is to estimate and compare the emission of landfill gas (LFG) from an uncontrolled landfill site, located in Dhapa, Kolkata, India using LandGEM (3.02) and the modified triangular method (MTM) model. The energy generation potential of the generated landfill gas is also assessed. It is estimated that methane emission varies from 10.87 to 24.01 Mm3/year and 28.36 to 44.23 Mm3/year using LandGEM and the MTM model, respectively, for the period of 2010–2030. It is also estimated that the annual power generation from LFG emissions varies from 18.045 to 39.858 MWh and 47.079 to 73.424 MWh using the estimates of LandGEM and the MTM model, respectively, for the same period.
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Das, B., Hazra, T. (2021). Quantification of Landfill Gas Emission and Energy Recovery Potential: A Comparative Assessment of LandGEM and MTM Model for Kolkata. In: Shit, P.K., Adhikary, P.P., Sengupta, D. (eds) Spatial Modeling and Assessment of Environmental Contaminants. Environmental Challenges and Solutions. Springer, Cham. https://doi.org/10.1007/978-3-030-63422-3_4
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DOI: https://doi.org/10.1007/978-3-030-63422-3_4
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