쓰레기 매립지 토양에 함유되어 있는 유해가스의 환경영향 분석
The Analysis on Environmental Effects of Harmful Gases Contained in the Waste Landfills Soil
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본 연구에서는 쓰레기 매립지의 토양으로부터 파생된 유해가스류의 환경영향평가에 초점을 맞추었다. 장소는 접근 허용을 기준으로 전체 3개 지역으로 선택되었다. 구체적으로 목천 쓰레기 매립지와 전천및 병천의 쓰레기 산이 대상이다. 목천의 쓰레기 매립지는 여러 개의 수직 가스 집수정을 갖고 있어측정의 중심지는 가장 오래된 매립지점으로 선정하고, 또한 측정 거리는 0 ~ 400m(100m 간격)으로하였다. 두 개의 쓰레기 산의 측정 중심지는 가장 적치량이 많은 곳으로 측정 거리는 0 ~ 600m(150m 간격)으로 하였다. 실험은 가스텍과 복합가스측정기를 이용하여 중심지로부터 거리별 유해가스의 농도를 측정하는 것으로 실시하였다. 쓰레기 매립지의 경우 CO와 HCHO의 농도가 중심지로부터 300m 부근에서 2.2배 증가하였고, 쓰레기 산의 경우 CO와 HCHO의 농도가 쓰레기 매립지보다 변곡점에서확연히 증가하였다. 이 연구를 통해 쓰레기 매립지의 환경영향성이 정량적으로 평가되어 쓰레기 매립지 토양에 함유된 유해가스에 대한 경각심을 가질 필요가 있다.
Abstract
In this study, we focused on the evaluation of environmental effects by harmful gases derived from waste landfills soil. Places were selected to total three areas by the criteria for permitting access on fields. Concretely they are a waste landfill at Mokcheon, and waste mountains at Jincheon and Byeongcheon. Mokcheon's waste landfill contain several vertical wells, and then the center of determination was selected to the oldest landfill spot, also the distance of determination was set up 0 ~ 400m(100m spaced). The center of determination at waste mountains was selected to the highest load spot, setting up the distance of determination 0 ~ 600m(150m spaced). Experiments were conducted to measure harmful gases concentration by the distance from center using Gastec and multi-gas monitors. In case of a waste landfill, CO and HCHO concentration were increased to 2.2 times at the nearby 300m from the center. And also, in case of waste mountains, the concentration of CO and HCHO increased dramatically at the point of inflection than a waste landfill. Therefore, environmental effects of waste landfills were conducted from the quantitative analysis, and then we would bring to senses for harmful gases contained in waste landfills soil.
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