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논문 기본 정보

자료유형
학술저널
저자정보
이창용 (인하대학교) 황용우 (인하대학교) 이익모 (인하대학교) 천영우 (인하대학교)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제35권 제2호
발행연도
2018.1
수록면
134 - 142 (9page)

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초록· 키워드

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Landfill gases (LFGs), which consists of sulfur compounds, odorous substances such as ammonia and amines, andvolatile organic compounds (VOCs), is generated during the natural process of bacterial decomposition of organicmaterial contained in municipal solid waste (MSW) landfills. The VOCs in the LFGs cannot be only decomposed easilyinto the soil after landfilling but they also can cause serious problems for the surrounding atmosphere, soil, andgroundwater because of their toxicity. Moreover, VOCs have been identified as precursors of photochemical smog andthey are toxic and carcinogenic chemicals. Furthermore, VOCs comprise a low rate of the emissions, but they cancause cancer. Therefore, it is important to evaluate the hazard causing by VOCs in LFGs. This study is aim to identifychemicals in LFGs and the hazardous evaluation by mixing between chemicals in LFGs. The selected landfill site inthe study is located in Daejeon. Waste generation data were obtained from the Ministry of Environment (MOE) ofSouth Korea. To evaluate the amount of the selected VOCs (47) among the primary disintegration models, LFGsgeneration model in LandGEM program was used. For the gas mixing reaction, a program called CRW 4.0 wasintroduced by the NOAA in the United States was used. As a result, the cumulative capacity of landfills in 2015 wasestimated at 7,650,682 tons. Therefore, the total LFGs generation in 2015 was 7.717 × 107m3. Also the LFGs showedalmost all the hazardous reactions with NOx and O3 in the atmosphere. As VOCs in LFGs mixed air emissions, weconfirmed that toxic potential gases such as phosgene, hydrogen halides, halogenated organics, chlorinated amines andacidic fumes are generated.

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