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KMID : 1024520160250020323
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Journal of the Environmental Sciences
2016 Volume.25 No. 2 p.323 ~ p.329
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A Study on Process Improvement for Reduction of Pollution Loading Rate in Small Individual Sewage Plant
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Eom Han-Ki
Choi, Yoo Hyun
Joo Hyun-Jong
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Abstract
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In this study, the applicability of MBR process was evaluated to improve processing of personal sewage treatment facilities of 50 m3/day or less. As result of the research, stable discharge water quality could be secured as result of the MBR effector operation according to rate of inflow and inflow load and treatment efficiency of 98% or higher was shown by the membrane filtering method operation for SS, BOD5. it was found that high treatment efficiency of 99% or higher. It is judged that detention time can be designed until 6.9 hr when applying MBR process on personal sewage treatment facilities with high pollution load and that cutback of pollution load can be possible through this study. It was shown that MBR process application reduces an annual cost of 4,829,600 won based on the basic unit calculation results and solves burden of amount of borne by causers according to excess of discharge water quality standards.
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KEYWORD
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MBR, Individual sewage treatment plant, High influent loading
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