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Full-scale granular sludge Anammox process.

W R Abma1, C E Schultz, J W Mulder

  • 1Paques BV, T. De Boerstraat 24, 8560 AB Balk, The Netherlands. w.abma@paques.nl

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|June 6, 2007
PubMed
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The first full-scale Anammox reactor is operational, demonstrating stable performance at high loading rates. This success is attributed to the development of dense Anammox granular sludge with excellent settling properties.

Area of Science:

  • Environmental Engineering
  • Microbiology
  • Wastewater Treatment

Background:

  • The implementation of full-scale Anammox (Anaerobic Ammonium Oxidation) processes is crucial for efficient nitrogen removal in wastewater treatment.
  • Granular sludge technology offers potential advantages in terms of biomass retention and process stability.

Purpose of the Study:

  • To report on the successful start-up and performance of the first full-scale Anammox reactor utilizing granular sludge.
  • To validate the effectiveness of Anammox granular sludge technology at an industrial scale.

Main Methods:

  • Initiation and operation of a full-scale Anammox reactor.
  • Monitoring of reactor performance, including nitrogen loading rates and removal efficiency.
  • Characterization of Anammox granular sludge properties, such as density and settling velocity.

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Main Results:

  • The Anammox reactor achieved stable operation.
  • The reactor sustained high loading rates of up to 10 kg N/m3.d.
  • Formation of dense Anammox granules with settling velocities over 100 m/h was observed.

Conclusions:

  • The Anammox granular sludge technology has been successfully demonstrated on a full scale.
  • The technology is capable of achieving stable and efficient nitrogen removal under demanding operational conditions.