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김상훈 ( S. H. Kim ),천세억 ( S. U. Cheon ),신기식 ( K. S. Shin ),정동일 ( D. I. Jung ) 한국물환경학회 2005 한국물환경학회지 Vol.21 No.3
To investigate bioassay for toxic level evaluation of wastewater, toxic levels were checked influents and effluents of 6 wastewater discharge facilities with Daphnia magna and Vibrio fischeri. In view of test duration, D. magna is preferred at 48 hours. And it was judged to efficient that one of the two was choosen for toxicity test method (Daphnia test and Vibrio test). Analysis data for wastewater is average toxic level for influent more higher than effluent. And effluent toxic level is sharp decrease than effluents.
양형재(H. J. Yang),권오상(O. S. Kwon),김재훈(J. H. Kim),이성종(S. J. Lee),S. H. Kim,정동일(D. I. Jung) 대한환경공학회 2006 대한환경공학회 학술발표논문집 Vol.2006 No.12
K leather industry wastewater treatment plant(advanced treatment process) was selected to evaluate effluent quality and pollutants removal efficiencies. BOD5 concentration of effluent was 3.95㎎/ℓ and its removal efficiency was 99.8%. Also, most of other pollutants removal efficiencies were over 90% as well. And 95% reliability of effluent concentration were 106.8㎎/ℓ of CODmn, 86㎎/ℓ of SS, 72.04㎎/ℓ of TN, greater than the effluent limitation(60㎎/ℓ), 0.98㎎/ℓ of ABS, 1.8㎎/ℓ of n-Hexane, 9.7㎎/ℓ of BOD5 and 0.11㎎/ℓ of Cr.