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A Study on the Determination of efficiency for waste water treatment system by means of Ecotest
Jae Seong Rhee, Su Won Lee, *Hak Ju Lee and Yong Jun Kim
Water Environmental Research Center, KIST
Sungbuk-gu Hawulgok-dong, Seoul 136-791, Korea
*Eco-Testing Lab., FITI
Tongdaemun-gu Chegi-dong, Seoul 130-062, Korea
Difficulties could be encountered in the area of waste water managing system for prompt treatment because of time length required for a week on the measurement of nutrients in the sample. For the determination of efficiency on the waste water treatment system, on site detection kit(Ecotest) was utilized for analysis of nutrients including ammonium(N), nitrite(N), nitrate(N) and phosphate(P). By comparison with Ion chromatograph, the accuracy of detection kit was demonstrated as around 20% at higher concentration(over 2ppm) and around 30¡40% at the concentration of below 1ppm. As the result of Ecotest on waste water treatment system, the concentration of ammonium(N), nitrite(N), nitrate(N) and phosphate(P) have been shown 0¡2.0ppm, 0.01ppm, 0¡10.0ppm and 1.0¡2.5ppm respectively.
Key words : waste water system, detection of nitrogen, detection of phosphorous, Ecotest
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