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http://dx.doi.org/10.22645/udi.2020.6.30.069

Suggestions for the Estimation of the Methane Emission from a Landfill Site  

Lee, Kyungho (수도권매립지관리공사 자원순환기술연구소)
Jeon, Eunjeong (수도권매립지관리공사 자원순환기술연구소)
Lee, Youngmin (수도권매립지관리공사 자원순환기술연구소)
Park, Junghyun (수도권매립지관리공사 자원순환기술연구소)
Publication Information
Journal of Urban Science / v.9, no.1, 2020 , pp. 69-73 More about this Journal
Abstract
Sudokwon landfill("Sudokwon" means regions of Seoul, Kyunggi and Incheon metropolitan cities in Korea), the world's largest sanitary landfill, has been systematically managing statistics on the incoming and dumping wastes and satisfactorily controlling pollutants including leachate and LFG. According to our long time experience of LFG field monitoring, the emission of GHG from landfill estimated by the IPCC Guideline showed much difference with our results. C&D waste has high concentration of sulfate compared to other wastes. Increased C&D waste of dumping waste had changed the COD/sulfate ratio in the landfill, which caused the increase of H2S gas and the decrease of CH4 gas. But the IPCC estimation method does not consider the effects of sulfate. In addition to that, the oxidation factor of the cover soil is set to the default values of 0.1 but the measured values by the field monitoring, are showing much higher than that, especially in the closed landfill.
Keywords
Landfill; methane emission; IPCC guideline; oidation factor;
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