원저(原著) : 수도권매립장내 침출수 주입에 의한 침출수 특성 및 매립가스 증산효과 분석
분야
공학 > 환경공학
저자
이승희 ( Seung Whee Rhee ) , 류돈식 ( Don Sik Ryu ) , 천승규 ( Seung Kyu Chun )
발행기관
한국폐기물자원순환학회(구 한국폐기물학회)
간행물정보
한국폐기물자원순환학회지 2012년, 제29권 제7호, 634~641페이지(총8페이지)
파일형식
08206917.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Landfill gas (LFG) has received considerable attention to produce a renewable energy source from waste because LFG contains about 45 ~ 55% methane. In order to improve LFG, the concept of bioreactor landfill is applied to Sudokown Landfill site. In landfill field test, the research area 3A (300 m × 300 m) and reference area 2A (300 m × 300) are prepared to compare the effect of leachate recirculation. Using injection wells, leachate is injected into the research area in the 2nd Landfill site and the distribution of moisture content in the research area is homogeneously saturated by the injected leachate. Leachate characteristics such as Alkalinity, BOD, COD, TKN, and TOC are increased with the input of the injected leachate because wastes are decomposed by the injected leachate but pH of leachate is almost not affected by the injected leachate. The production of LFG in the reseach area is improved by about 40% comparing with that in the reference area and the content of CH4 in LFG is consistently higher than 50%. Hence, it can be summarized that the production and the quality of LFG can be improved by the injection of leachate into landfill site.
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