Mali, Sandip T.; Khare, Kanchan C.; Biradar, Ashok H.
January 2012
Environmental Research Journal;2012, Vol. 6 Issue 1, p71
Academic Journal
In the present study characterization of municipal solid waste (MSW) is carried out for ten months at Urali Devachi landfill of Pune city, India. Characterization shows that it contains 69.30 % of degradable organic matter. The decomposition of organic components in landfill produces landfill gas (LFG). Three landfill gas emission models have been used to estimate emission of landfill gas, based on MSW composition, total amount of MSW dumped and waste age. The models used are first-order decay (FOD), default methodology (DM) and modified triangular method (MTM). These models differ in their scientific approach for the quantification on emissions, their complexity and input data requirements. The emission of methane estimated for the year 2008 usmg FOD (Base), FOD (Worst), DM and MTM is 6.906 Gg, 10.299 Gg, 8.121 Gg and 5.095 Gg respectively. A comparison of FOD with recently proposed MTM shows that MTM model can be used for the estimation of methane generation. Methane generation for landfill was forecasted upto year 2023. Although the study is focused to Pune city, the investigations will be useful to compare and frame the policy to control the greenhouse gas emission from landfill in metropolitan cities in the Asian continent.


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