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Journal of the Korean Society for Environmental Analysis 2008;11(4):286-291.
Correlation between TOC, UVA and CODMn of Environmental Water Samples
환경수 중 유기물량 지표로서 TOC, UVA 및 CODMn간의 상관관계
변주대1, 김태동1, 이석기2, 홍태기3, 김현욱4
1안동대학교
2동일시마즈(주)
3한서대학교
4서울시립대학교
Abstract
These days, Korean government expanded the national stream water quality tele-monitoring system and required each wastewater treatment facility to install a water quality tele-monitoring system at its discharge. Therefore, automatic water quality monitoring instruments and their principles of measurement (especially,ones for organic contents of a water sample) are attracting attentions from water quality scientists and engineers. To measure organic contents of water, total organic carbon (TOC), chemical oxygen demand (CODMn) and ultraviolet absorption (UVA) are often employed in automatic systems. In this study, TOC, CODMn, and UVA of water samples collected from different streams were compared and correlated. In short, these parameters showed relatively good correlation each other; R2s were 0.819~0.954 and 0.656~0.916 for TOCøÕ CODMn and UVA and CODMn, respectively. However, at low organic contents, these parameters were not strongly correlated.
Key Words: TOC, UVA, CODMn, Wastewater TMS, National stream water quality tele-monitoring system
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