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Emission Characteristics and Coefficients of Air Pollutants in Iron and Steel Manufacturing Facilities
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제철제강시설의 대기오염물질 배출특성 및 배출계수 산정

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Type
Academic journal
Author
Byoung-Ug Kim (강원도보건환경연구원) Young-Kyun Hong (강원도보건환경연구원) Yeong-Seob Lee (강원도보건환경연구원) Seung-Pyo Yang (강원도보건환경연구원) Geun-Woo Hyun (강원도 보건환경연구원) Geon-Ho Yi (강원도 보건환경연구원)
Journal
Korean Society of Envlromental Health 한국환경보건학회지 한국환경보건학회지 제47권 제3호 KCI Excellent Accredited Journal
Published
2021.6
Pages
259 - 266 (8page)
DOI
10.5668/JEHS.2021.47.3.259

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Emission Characteristics and Coefficients of Air Pollutants in Iron and Steel Manufacturing Facilities
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Objectives: This study was conducted to identify the emissions characteristics of total particulate matter (TPM), fine dust (PM10, PM2.5), and gaseous pollutants (SOx, NOx) in iron and steel manufacturing facilities in order to investigate emissions factors suitable for domestic conditions. Methods: Total particulate matter (TPM), fine dust (PM10, PM2.5), and gas phase materials were investigated at the outlet of electric arc furnace facilities using a cyclone sampling machine and a gas analyzer. Results: The concentrations of TPM ranged from 1.64 to 3.14 mg/Sm3 and the average was 2.47 mg/Sm3 . Particulate matter 10 (PM10) averaged 1.49 mg/Sm3 with a range of 0.92 to 1.99 mg/Sm3 , and the resulting ratio of PM10 to TPM was around 60 percent. PM2.5/PM10 ranged from 33.7 to 47.9% and averaged 41.6%. Sulfur oxides (SOx) were not detected, and nitrogen oxides (NOx) averaged 6.8 ppm in the range of 5.50 to 8.67 ppm. TPM emission coefficients per product output were in the range of 0.60 to 1.26 g/kg, 0.13 to 0.79 g/kg for PM10 and 0.12 to 0.36 g/kg for PM2.5, and showed many differences from the emissions coefficients previously announced. An emissions coefficient for NOx is not currently included in the domestic notices, but the results were calculated to be 0.42 g/kg per product output. Conclusions: Investigation and research on emissions coefficients that can reflect the characteristics of various facilities in Korea should be conducted continuously, and the determination and application of unique emissions coefficients that are more suitable for domestic conditions are needed.

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