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J Korean Soc Environ Eng > Volume 38(6); 2016 > Article
J Korean Soc Environ Eng 2016;38(6): 309-316. doi: https://doi.org/10.4491/KSEE.2016.38.6.309
자기세정 여과 반응장치를 이용한 하수처리에 관한 연구
모성영1, 이풀잎1, 김범수2, 이태진1,†
1서울과학기술대학교 환경공학과
2에이치앤텍
A Study of Sewage Treatment with a Self-Cleaning Filtration Unit
Sung-Young Mo1, Pul-Eip Lee1, Bum-Su Kim2, Tae-Jin Lee1,†
1Department of Environmental Engineering, Seoul National University of Science & Technology
2Technical Research Team of H-entech
Corresponding author  Tae-Jin Lee ,Tel: 02-970-6614, Fax: 02-971-5776, Email: leetj@seoultech.ac.kr
Received: February 19, 2016;  Revised: March 21, 2016;  Accepted: April 18, 2016.  Published online: June 30, 2016.
ABSTRACT
In this study, sewage was fed with up flow direction into a reactor equipped with a screw to circulate media that had lower specific gravity than water. It was observed that the media in the reactor could be circulated by a screw with reverse flow of the sewage feeding from the top to the bottom direction. Under these conditions, concentrations of inflow and outflow pollutants were measured at the filtration unit. Experimental results revealed stable circulation of the media with a screw in the reactor. Circulation of the media in the reactor showed more efficiency in removing the pollutants (particulate matters and organics) than no circulation. The maximum removal efficiencies of suspended solid (SS), chemical oxygen demand (CODmn), and total phosphorus (T-P) were 96%, 72% and 65%, respectively. Improvements for SS, CODmn and T-P removals with circulation of media were 52.38%, 43.14% and 118.12% respectively, compared to those without circulation.
Key Words: Self-Cleaning Filteration, Media, Suspended Solid (SS), Media Circulation Time (MCT)
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