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- W4380536719 abstract "This study assesses the biomethane (CH4) generation and greenhouse gas (GHG) emissions resulting from municipal solid waste landfilling in Phnom Penh, Cambodia, with a focus on the impact of fugitive CH4 emissions and operation processes in four landfilling scenarios: simple dumping (S1), improved management with leachate treatment (S2), engineered landfill with flaring (S3), and engineered landfill with energy recovery (S4). The study also considered the environmental benefits of carbon sequestration and landfill gas utilization. The LandGEM and IPCC FOD models were used to calculate CH4 generation over the period of 2009–2022, and it was found that approximately 18 and 21 M kg/year of CH4 were released, respectively. The energy potential from CH4 recovery was 51–61 GWh/year. Overall, GHG emissions in S2 were the highest, amounting to 409–509 M kg CO2-eq/year, while S1 had lower emissions at 397–496 M kg CO2-eq/year. Flaring-captured CH4 in S3 could reduce GHG emissions by at least 55%, and using captured CH4 for electricity production in S4 could mitigate at least 83% of GHG emissions. Electricity recovery (S4) could avoid significant amounts of GHG emissions (−52 to −63 kg CO2-eq/tMSW). The study suggests that landfill gas-to-energy could significantly reduce GHG emissions." @default.
- W4380536719 created "2023-06-14" @default.
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- W4380536719 date "2023-06-13" @default.
- W4380536719 modified "2023-09-30" @default.
- W4380536719 title "Landfill Biogas Recovery and Its Contribution to Greenhouse Gas Mitigation" @default.
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- W4380536719 doi "https://doi.org/10.3390/en16124689" @default.
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