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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