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논문 기본 정보

자료유형
학술저널
저자정보
심명화 (수도권매립지관리공사) 이경호 (수도권매립지관리공사) 류돈식 (수도권매립지관리공사) 김윤희 (수도권매립지관리공사)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제34권 제2호
발행연도
2017.1
수록면
132 - 139 (8page)

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초록· 키워드

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Because methane-producing bacteria (MPB) and sulfate-reducing bacteria (SRB) compete for anaerobic utilization oforganic matter, the methane generation potential (Lo) decreases logarithmically with the decrease in the COD/SO4 ratio. TheLo correction coefficient equals the Lo at a particular COD/SO4 ratio divided by the maximum Lo. An Lo correctioncoefficient was derived each year based on the COD/SO4 ratios of waste added to the landfill. The methane generationpotential was multiplied by the Lo correction coefficient in order to correct the LFG (landfill gas) generation calculation. At the second Sudokwon landfill site (2000 ~ present), the COD/SO4 ratio decreased from 11.6 in 2000 to 4.8 in 2014. Thus,the Lo correction coefficient decreased from 0.89 in 2000 to 0.42 in 2014. The LFG 2008-2014 production correction wascalculated using the model equation (Scholl canyon), and was almost the same (91 ~ 113%) as the quantity measured,including LFG that was collected, flared, or allowed to diffuse through the landfill. The methane oxidation correction factor,calculated from the concentrations of nitrogen and oxygen within the landfill gas, was between 0.92 and 1 for the first landfillsite and between 0.96 and 1 for the second landfill site. Air ingress into the landfill had a negligible effect on gas generation.

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