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Journal of the Korean Society for Environmental Analysis 2012;15(1):9-14.
A Study on the Characteristics of Process for the Sewage Treatment in Korea
우리나라 하수처리장 공정특성에 관한 연구
박광하1, 권영두2
1강릉원주대학교
2한중대학교
Abstract
In this study, we represents the characteristics of process for a sewage treatment in korea. In case of standard activated sludge process, the results represent that BOD is 90.8%, COD is 82.2%, SS is 95.9% and E-coli is 99.4%. But T-N is 43.3% and T-P is 58.1%. Secondary treatment process shows that BOD is 91.5%, COD is 73.7%, SS is 88.4% and E-coli is 98.1%. But T-N is 35.4% and T-P is 39.6%. The ministry of environment strengthen the disposal criterion of T-N and T-P in sewage. This law shall come into force on January 1, 2012. We know the limits of removal for the N and P in treatment system. It should be reinforced to the advanced process in present plants.
Key Words: Sewage disposal plant, standard activated sludge process, T-N, T-P


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