낙동강 수계 배출원별 유해물질 오염실태 조사
Monitoring of Hazardous Chemicals for Wastewater Discharge Facilities in the Nakdong River Basin
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초록
There are many industrial factories in the central Nakdong river basin and have been occurred water pollution accidents by hazardous chemicals such as phenol, 1,4-dioxane and perchlorate. The object of this study is to establish the database on the hazardous chemicals for the industrial wastewater and to prevent the pollutant accident of the Nakdong river. We categorized 20 hazardous chemicals potentially discharged into the Nakdong river. The concentrations of 20 compounds were measured in surface water samples, wastewater treatment plants(WWTPs) influents/effluents and wastewater discharge facilities in the Nakdong River basin. One compound(1,4-dioxane) was detected in surface waters and three(1,4-dioxane, perchlorate, vinyl acetate) were detected in WWTPs. Eleven compounds(beryllium, perchlorate, 1,3-butadiene, vinyl acetate, ethyl acrylate,styrene, hexachloroethane, 1,4-dioxane, diethyl phthalate, di-n-butyl phthalate, 4,4'-bisphenol A) were detected in wastewater discharge facilities. 1,4-Dioxane was most frequently observed in surface waters, WWTPs and wastewater discharge facilities.
Abstract
There are many industrial factories in the central Nakdong river basin and have been occurred water pollution accidents by hazardous chemicals such as phenol, 1,4-dioxane and perchlorate. The object of this study is to establish the database on the hazardous chemicals for the industrial wastewater and to prevent the pollutant accident of the Nakdong river. We categorized 20 hazardous chemicals potentially discharged into the Nakdong river. The concentrations of 20 compounds were measured in surface water samples, wastewater treatment plants(WWTPs) influents/effluents and wastewater discharge facilities in the Nakdong River basin. One compound(1,4-dioxane) was detected in surface waters and three(1,4-dioxane, perchlorate, vinyl acetate) were detected in WWTPs. Eleven compounds(beryllium, perchlorate, 1,3-butadiene, vinyl acetate, ethyl acrylate,styrene, hexachloroethane, 1,4-dioxane, diethyl phthalate, di-n-butyl phthalate, 4,4'-bisphenol A) were detected in wastewater discharge facilities. 1,4-Dioxane was most frequently observed in surface waters, WWTPs and wastewater discharge facilities.
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