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KMID : 1024520140230071253
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Journal of the Environmental Sciences
2014 Volume.23 No. 7 p.1253 ~ p.1268
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Monitoring of Hazardous Chemicals for Effluents of STPs and WWTP in the Nakdong River Basin
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Kim Kyung-A
Seo Chang-Dong
Lee Sang-Won
Ryou Dong-Choon
Kwon Ki-Won
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Abstract
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This study was investigated twenty two hazardous chemicals compounds for effluents of nine sewage treatment plants
(STPs) and one waste water treatment plant (WWTP) in the Nakdong Ri-ver Basin. They are eleven phthalates(DMP, DEP,
DIBP, DBP, BEEP, DNPP, DHP, DCP, DEHP, DNOP, Dinonyl phthalate, seven aliphatic hydrocarbons(n-Tridecane,
n-Tetradecane, n-Pentadecan-e, n-Hexadecane, n-Heptadecane, n-Octadecane, n-Nonadecane, Isoquinoline, 2-Chloropyridine,2-N-itrophenol, and Benzophenone. The twenty two compounds were analyzed by gas chromatograp-hy mass spectrometry(GC/MS) with liquid-liquid extraction (LLE). Twenteen of twenty two subs-tances were detected. They were DMP, DEP,DIBP, DBP, DEHP, n-Tetradecane, n-Pentadecane, n-Heptadecane, n-Octadecane, n-Nonadecane, Isoquinoline and Benzophenone.
Among these, DEHP, DEP and Benzophenone were most frequently observed. They were obtained as ND~36.881 ㎍/L,
ND~0.950 ㎍/L, ND~2.019 ㎍/L, respectively. When the substances were calculated the average concentration at 10 points,
the maximum average detection concentration was investigated at the Dalseocheon STP.
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KEYWORD
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Sewage treat-ment plants, Waste water treatment plant, Gas chromatography mass spectrometry, Phthalates, Benzophenone
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