Modeling the aerobic metabolism of polyphosphate-accumulating organisms enriched with propionate as a carbon source

In enhanced biological phosphorus removal (EBPR) systems, polyphosphate-accumulating organisms (PAOs) are primarily responsible for removing phosphate from wastewater. Propionate is an abundant carbon substrate in many EBPR plants and has been suggested to provide PAOs an advantage over their carbon...

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Veröffentlicht in:Water environment research : a research publication of the Water Environment Federation. - 1998. - 79(2007), 13 vom: 15. Dez., Seite 2477-86
1. Verfasser: Oehmen, Adrian (VerfasserIn)
Weitere Verfasser: Zeng, Raymond J, Keller, Jürg, Yuan, Zhiguo
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Water environment research : a research publication of the Water Environment Federation
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acetates Propionates Phosphorus 27YLU75U4W Glycogen 9005-79-2
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520 |a In enhanced biological phosphorus removal (EBPR) systems, polyphosphate-accumulating organisms (PAOs) are primarily responsible for removing phosphate from wastewater. Propionate is an abundant carbon substrate in many EBPR plants and has been suggested to provide PAOs an advantage over their carbon competitors--the glycogen-accumulating organisms (GAOs). The aerobic metabolism of PAOs enriched with a propionate carbon source is studied in this paper. A metabolic model is proposed and experimentally validated to characterize the aerobic biochemical transformations by PAOs. The model predicts very well the experimental data obtained from the enriched PAO culture through solid-, liquid-, and gas-phase analyses. This model may be combined with previously formulated metabolic models to better describe the biochemical activity of PAOs with acetate and propionate as the primary carbon sources. Furthermore, it can also facilitate the study of the effect of different carbon sources on PAO-GAO competition 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Propionates  |2 NLM 
650 7 |a Phosphorus  |2 NLM 
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700 1 |a Zeng, Raymond J  |e verfasserin  |4 aut 
700 1 |a Keller, Jürg  |e verfasserin  |4 aut 
700 1 |a Yuan, Zhiguo  |e verfasserin  |4 aut 
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