The acclimatisation of an activated sludge to enhanced biological phosphorus removal conditions was followed after and without bioaugmentation with a low amount of phosphorus-accumulating sludge. Phosphorus removal yields were monitored by conventional analytical methods and microbial communities evolutions were followed by a finger printing molecular technique (PCR-SSCP). While the benefit of the bioaugmentation seems real at the level of the reactor parameters, bioaugmentation speeded up the installation of good and stable phosphorus removal yield, the establishment of the inoculated microbial community in the bioaugmented reactor is still unclear. Both the bioaugmented and the control microbial communities evolved in a similar way to end up with apparently comparable populations. At the time of the experiment, the results suggest that the microbial community inoculated for the bioaugmentation did not establish in the reactor but compensated for phosphorus accumulation until the acclimatisation of an endogenous microbial community arose.
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Research Article|
February 01 2001
Monitoring of the microbial community of a sequencing batch reactor bioaugmented to improve its phosphorus removal capabilities
P. Dabert;
P. Dabert
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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A. Fleurat-Lessard;
A. Fleurat-Lessard
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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E. Mounier;
E. Mounier
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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J.-P. Delgenès;
J.-P. Delgenès
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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R. Moletta;
R. Moletta
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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J.-J. Gordon
J.-J. Gordon
1Laboratoire de Biotechnologie de l'Environnement, Institut National de la Recherche Agronomique, Avenue des Etangs, 11100 Narbonne France
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Water Sci Technol (2001) 43 (3): 1–8.
Citation
P. Dabert, A. Fleurat-Lessard, E. Mounier, J.-P. Delgenès, R. Moletta, J.-J. Gordon; Monitoring of the microbial community of a sequencing batch reactor bioaugmented to improve its phosphorus removal capabilities. Water Sci Technol 1 February 2001; 43 (3): 1–8. doi: https://doi.org/10.2166/wst.2001.0112
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