APID공정 내 동절기 개량형 간헐포기 운전모드 적용 및 개발Development and Application of Modified Intermittently Aeration mode for Advanced Phase Isolation Ditch (APID) process at Winter Season
- Other Titles
- Development and Application of Modified Intermittently Aeration mode for Advanced Phase Isolation Ditch (APID) process at Winter Season
- Authors
- 곽성근; 안상우; 정무근; 박재로; 박재우
- Issue Date
- Nov-2009
- Publisher
- 한국물환경학회
- Keywords
- BNR; Intermittently aeration; Nitrogen; Phosphorous; Winter season
- Citation
- 한국물환경학회지, v.25, no.6, pp.872 - 878
- Indexed
- KCI
- Journal Title
- 한국물환경학회지
- Volume
- 25
- Number
- 6
- Start Page
- 872
- End Page
- 878
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175857
- ISSN
- 2289-0971
- Abstract
- Advanced Phase Isolation Ditch (APID) process was studied to develop economic retrofitting technology, for the plants where retrofitting of common activated sludge process is required. In this study, to develop and apply the modified intermittently aeration mode as process control conditions for treating municipal wastewater, a demonstration plant was installed and operated in the existing sewage treatment plant of P city. During this study, the average effluent BOD5, SS, T-N, and T-P concentrations were 6.3, 4.5, 10.0, and 1.3 mg/L. The modified mode decreased the nitrification capability more than the conventional mode in the application period. Nitrate in the anaerobic condition can have a negative effect on biological phosphorus removal. In the decreasing nitrate levels, the modified mode increased the biological ability of removal phosphorus more than the conventional mode in this study. Therefore, newly developed APID process with modified intermittent aeration mode can be one of the useful processes for stable organic matter and nutrients removal.
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