The competition between polyphosphate accumulating organisms and glycogen accumulating organisms in the enhanced biological phosphorous removal process

Glycogen-accumulating organisms (GAOs) were present in six full-scale plants investigated and in all but one made a substantial contribution to the amount of volatile fatty acid (VFA) taken up anaerobically. While most plants surveyed contain GAOs, it was demonstrated that it is possible for a full-scale plant to operate with a low GAO population. The polyphosphate-accumulating organism (PAO) known as “Candidatus Accumulibacter phosphatis” were present in all plants surveyed. “Candidatus Competibacter phosphatis” were found in all plants along with other possible GAOs that were observed but not identified. The presence of GAOs will increase the carbon requirements by removing VFA that could otherwise have been used by PAOs. Process optimization minimizing GAOs in full-scale plants would lead to a more efficient use of VFA.

• Publication year

  2005

• Venue

  Unknown venue

• Publication date

  Unknown publication date

• Fields of study

  Biology, Environmental Science

• Identifiers
  DOI 10.14264/268750
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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