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The EAWAG Bio-P module for activated sludge model No. 3.

H Siegrist1, L Rieger, G Koch

  • 1Swiss Federal Institute for Environmental Science and Techonolgy, Dübendorf, Switzerland.

Water Science and Technology : a Journal of the International Association on Water Pollution Research
|May 7, 2002
PubMed
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This study introduces a new module for predicting enhanced biological phosphorus removal, based on ASM3. The model accurately simulates biological phosphorus removal using a calibrated parameter set across different experimental setups.

Area of Science:

  • Environmental Engineering
  • Water Treatment Technologies
  • Biochemical Engineering

Background:

  • Biological phosphorus removal is crucial for wastewater treatment.
  • Existing models like ASM2d have limitations in predicting enhanced biological phosphorus removal.
  • Further model development is needed for accurate phosphorus management.

Purpose of the Study:

  • To develop and validate an additional module for enhanced biological phosphorus removal prediction.
  • To integrate modified processes from ASM2d into an ASM3 framework.
  • To provide a reliable tool for simulating biological phosphorus removal.

Main Methods:

  • A modified module based on ASM3 was developed, incorporating elements of ASM2d.
  • The model excludes fermentation of readily degradable substrate and glycogen pool dynamics.

Related Experiment Videos

  • Biomass decay is modeled using endogenous respiration.
  • Systematic calibration was performed using batch experiments, a full-scale wastewater treatment plant, and a pilot plant.

    • Main Results:

    • The developed module successfully simulated enhanced biological phosphorus removal.
    • A standard parameter set was identified, capable of simulating diverse experimental data.
    • The model demonstrated accuracy across various scales and conditions.

    Conclusions:

    • The proposed module offers a robust approach for predicting enhanced biological phosphorus removal.
    • The model provides a valuable tool for optimizing wastewater treatment processes for phosphorus removal.
    • The calibrated parameter set ensures broad applicability and reliability.