생물학적 질소.인 동시제거 시스템에서 탈질미생물의 인 제거 가능성Possibility of Anoxic Phosphorus Removal by Denitrifier in Denitrifying EBPR System
- Other Titles
- Possibility of Anoxic Phosphorus Removal by Denitrifier in Denitrifying EBPR System
- Authors
- 이한샘; 윤주환
- Issue Date
- 2013
- Publisher
- 한국물환경학회
- Keywords
- Accumulibacter phosphatis; Dechloromonas; denitrifying EBPR; denitrifying phosphorus accumulating organism; Thauera
- Citation
- 한국물환경학회지, v.29, no.6, pp.782 - 789
- Indexed
- KCI
- Journal Title
- 한국물환경학회지
- Volume
- 29
- Number
- 6
- Start Page
- 782
- End Page
- 789
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/105696
- ISSN
- 2289-0971
- Abstract
- Enhanced biological phosphorus removal (EBPR) behavior and microbial characteristics in the anaerobic-aerobic SBR (PAO SBR) and the anaerobic-anoxic SBR (DPAO SBR) were examined in this research. For 392 days of operation, both SBRs have exhibited a good EBPR (or denitrifying EBPR) performance. Prelease/Pinfluent ratio was highest in both reactors after the stabilization, while the efficiency of phosphorus removal was decreased since the sludge granulation has been visually observed within the reactor. The comparative analysis of Pyrosequencing-based microbial population between PAO and DPAO sludges showed indirectly that Dechloromonas spp. could utilize O2 and NO3--N as an electron acceptor and Accumulibacter phosphatis use only O2 in EBPR system. Also, we concluded that Thauera spp. as a denitrifier contribute significantly to the anoxic phosphorus removal in the DPAO system.
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