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자료유형
학술저널
저자정보
저널정보
한국환경분석학회 환경분석과 독성보건 한국환경분석학회지 제21권 제3호
발행연도
2018.1
수록면
165 - 171 (7page)

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Recently, there have been steady increases in the concentration of disinfection byproducts (DBP) in water treatment plants using the Nakdong River as a source. Therefore, a study was carried out investigating the correlation between organic matter and DBP in the Nakdong River water system. There were no significant differences in organic matter concentrations between the main stream and tributaries of the Nakdong River during this study. However, in July and August, the months of heaviest rainfall, humic substances (HS), known to be DBP precursors, increased by over 60% compared with May and June. The origin of organic matter in the Nakdong River was analyzed using an HS-diagram, which generally showed pedogenic fulvic acid (FA) characteristics; this is hypothesized to be the effect of organic material entering with turbid water from upstream. While there was a 26% increase in organic matter in July and August, the DBP trihalomethanes formation potential (THMFP) and haloacetic acid formation potential (HAAFP) increased by 36% and 91%, respectively. Thus, DBP increased at a higher than organic matter during this study. The DBP formation potential per unit organic matter was found to be 0.103 for THMFP and 0.016 for HAAFP.

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