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PAO와 dPAO 입상슬러지의 형태학적 특성에 대한 비교 고찰A Comparative Study on the Morphological Characteristics of PAO and dPAO Granule
- Other Titles
- A Comparative Study on the Morphological Characteristics of PAO and dPAO Granule
- Issue Date
- 2017
- Publisher
- 한국물환경학회
- Keywords
- denitrifying phosphorus accumulating organism (dPAO); electron acceptor; morphology; granule; phosphorus accumulating organism (PAO); sequencing batch reactor (SBR)
- Citation
- 한국물환경학회지, v.33, no.3, pp.302 - 310
- Indexed
- KCI
- Journal Title
- 한국물환경학회지
- Volume
- 33
- Number
- 3
- Start Page
- 302
- End Page
- 310
- ISSN
- 2289-0971
- Abstract
- The morphological characteristics of granules developing in anaerobic-anoxic (An-Ax) and anaerobic-aerobic (An-Ox) sequencing batch reactors (SBRs) were examined. The granules developed in the both SBRs after 200 days of laboratory operation. The average diameters of the granules were 2.2 ± 1.7 mm in the An-Ax SBR and 0.4 ± 0.3 mm in the An-Ox SBR. To determine the possible factors affecting morphology of granules a comparative analysis of various operating conditions from reference data indicated that the availability and type of electron acceptors is a key factor determining the granulation process and granular morphology.
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