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J Korean Soc Environ Eng > Volume 37(10); 2015 > Article
J Korean Soc Environ Eng 2015;37(10): 590-595. doi: https://doi.org/10.4491/KSEE.2015.37.10.590
산업단지 폐수종말처리장의 특정수질유해물질 유입 및 방류 현황조사
박수형1, 정진영2, 김재훈3, 이원태1
1금오공과대학교 환경공학과
2영남대학교 환경공학과
3국립환경과학원
Sampling Survey of Hazardous Water Pollutants in Industrial Wastewater Treatment Plants
Soo-Hyung Park1, Jin-Young Jung2, Jaehoon Kim3, Wontae Lee1
1Department of Environmental Engineering, Kumoh National Institute of Technology
2Department of Environmental Engineering, Yeungnam University
3National Institute of Environmental Research
Corresponding author  Wontae Lee ,Tel: 054-478-7636, Fax: 054-478-7859, Email: wtlee@kumoh.ac.kr
Received: April 7, 2015;  Revised: June 23, 2015;  Accepted: November 30, 2015.  Published online: October 31, 2015.
ABSTRACT
Sampling campaigns were conducted for hazardous chemicals and heavy metals in influents and effluents of industrial wastewater treatment plants (WWTPs) in Korea for best management practices (BMPs) of those pollutants through the plants and the receiving water bodies. Twenty seven WWTPs, receiving wastewater from industrial complexes and treating more than 2,000 m3/day, were selected for the sampling campaign. Influents and effluents of each WWTPs were sampled once a month (total three times per plant) between July and September, 2012, and analyzed for 22 hazardous water pollutants among 28 regulated for effluents limits in Korea. Concentrations of mercury, arsenic, 1,1-dichloroethylene, and benzene in the influents were relatively higher; concentrations of mercury and arsenic in effluents were relatively higher than those of other pollutants. Most of the hazardous chemicals and heavy metals were removed (including phase transfer) more than 60% through the treatment processes except for selenium (30% removal) and 1,4-dioxane (18% removal).
Key Words: Industrial Wastewater, Hazardous Pollutants, Influent, Effluent, Activated Sludge Process
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