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매연저감장치(DPF)의 전과정 분석을 통한 입자상 대기오염물질 저감효과 분석
박지형 ( Ji-hyoung Park ),이한솔 ( Han-sol Lee ),황용우 ( Yong-woo Hwang ),김영춘 ( Young-chun Kim ) 한국폐기물자원순환학회 2023 한국폐기물자원순환학회지 Vol.40 No.1
The present study aims to assess the environmental impacts of 1EA diesel particulate filter (DPF) manufacturing and particulate matter reduction using the life cycle assessment (LCA) analysis. To achieve this objective, the pollutant amounts emitted from the manufacturing process of DPFs were compared with those reduced by attaching to the produced DPFs and production equipment following the entire production process. The comparative analysis of emissions from the DPF manufacturing process and reduced particulate air pollutant amounts during the production process revealed particulate air pollutants emissions of 86 kg during the DPF raw material acquisition and manufacturing process. Whereas the total amount of particulate air pollutants reduced by DPFs over three years of production was 2,940 kg, indicating a reduction effect on particulate air pollutants in the entire production process except for the disposal stage. In addition, the analysis result of global warming obtained using the LCA analysis indicated emissions of 11,700 kg CO<sub>2</sub>-eq from the manufacturing process of 1EA DPA.
연구논문 : 비강우/강우기와 유역특성에 따른 하천의 부유물질 성상별 유출 특성 비교
박지형 ( Ji Hyoung Park ),손수민 ( Su Min Sohn ) 한국물환경학회(구 한국수질보전학회) 2013 한국물환경학회지 Vol.29 No.6
This paper investigated the runoff characteristics of different properties of suspended solids in streams according to the watershed characteristics and dry/rainy season. Suspended solids were divided into VSS and NVSS depending on volatilization. The main results of this study were as follows. TSS were more correlated with NVSS than VSS. Suspended solids were positively related with the proportion of urban > paddy > upland, negatively related with forest cover. VSS were positively correlated with POP and POC. VSS, measured in dry season, would partly result from autochthonous production and could be an indirect indicator of organic suspended solids.