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합류식 하수관거의 침투수/유입수 분석 및 월류수의 특성
임봉수,이태홍,최봉철,황문장 大田大學校 産業技術硏究所 2003 산업기술연구소 論文集 Vol.14 No.2
This study was carried out to provide the basic data for management of combined sewer overflows through analyze the characteristics of infiltration/inflows(I/I) and CSOs(combined sewer overflows) in combined sewer. The subject areas of investigation were Geumsan section and hugon section in Geumsan county, chungcheng-narndo. The Ratio of I/I versus average sewage flow is 39% in geumsan section, and about 19% in hugon section. BOD loading rated to CSOs in raining season were 9.5 times than in dry season in Geumsan section, and 4.9 times in hugon section. In result of analysis for CSOs pollutant loading, BOD loading per rainfall were 5.7㎏/㎜ in Geumsan section, and 1.9㎏/㎜ in hugon section, BOD loading-area per rainfall were 0.45㎏/㎜/ha, 0.21kg/㎜/ha, respectively
소하천 자연정화를 위한 고효율습지여상공법의 성능평가 및 개선방안
빈준수,최봉철,이태홍,황문장,임봉수 大田大學校 環境問題硏究所 2003 환경문제연구소 논문집 Vol.7 No.-
To recover the polluted river and the damaged river ecosystem. High Effective Wetland is used in Chungnam Kumsan-gun, Chubu-meon, Chupoong River. Based on the survey of the High Effective Wetland, its treatment performance was estimated and problems were analysed. The average removal performances of BOD, COD and SS are 51.1%, 37.6% and 57.3%, respectively, which are lower than the expected rates BOD 65% and 70%. While the nitrogen removal efficiency rates are 17.1%, which are not high enough either. Because of the aquatic plant didn't grow up well. In rainy season as 32.5%, 34.3%, 78.2% and 17.6%, respectively. Impeovement of stream water quality in low less than about 14% as BOD. In addition, the inlet of the wetland was often blocked by the floating matters, which resulted in only about 30% of the river flow entered the wetland, led to the poor performance. It is necessary to improve the inlet condition, so that more stream water can enter wetland. To improve its treatment effective, observation the griwth of aquatic plants and improvement of the growth conditions are required.