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Estimation of CH4 oxidation efficiency in an interim landfill cover soil using CO2/CH4 ratios
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  • Journal title : Environmental Engineering Research
  • Volume 20, Issue 2,  2015, pp.191-197
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2015.008
 Title & Authors
Estimation of CH4 oxidation efficiency in an interim landfill cover soil using CO2/CH4 ratios
Park, Jin-Kyu; Lee, Won-Jae; Ban, Jong-Ki; Kim, Eun-Cheol; Lee, Nam-Hoon;
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 Abstract
The first objective of this study was to discuss the applicability of the ratio method in order to assess oxidation efficiency. To achieve this objective, a comparison between ratios and the mass balance method was conducted. The second objective of this study was to estimate the oxidation efficiency in an interim landfill soil cover and assess how a influx influences the oxidation efficiency. The results showed that despite the problems brought by respiration, the oxidation efficiencies obtained by the ratio method led to similar results compared to the mass balance method. In this respect, the ratio method can be an indicator of the oxidation efficiencies for landfill cover soils. The oxidation efficiencies derived in this study through the ratio method ranged between 46% and 64%, and between 41% and 62% through the mass balance method. The results imply that the Intergovernmental Panel on Climate Change`s (IPCC) default value of 10% for the oxidation efficiency is an underestimation for landfill cover soils. oxidation efficiency tends to be negatively correlated with influx. Therefore, influx reaching a landfill cover should be limited in order to increase the oxidation efficiency.
 Keywords
oxidation; ratio;Landfill;Mass balance;
 Language
English
 Cited by
1.
레이저메탄검지기를 활용한 폐기물매립지 표면발생량 산정에 관한 연구,강종윤;박진규;이남훈;

유기물자원화, 2015. vol.23. 3, pp.78-84 crossref(new window)
1.
Estimation of Methane Emission Flux Using a Laser Methane Detector at a Solid Waste Landfill, Journal of the Korea Organic Resource Recycling Association, 2015, 23, 3, 78  crossref(new windwow)
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