Limitations of ASM1 and ASMS3: A comparison based on batch oxygen uptake rate profiles from different full-scale wastewater treatment plants

Albert Guisasola, G. Sin, J. A. Baeza, J. Carrera, P. A. Vanrolleghem

    Research output: Contribution to journalArticleResearchpeer-review

    28 Citations (Scopus)

    Abstract

    The two most popular models for the description of the biological COD removal are ASM1 and ASM3. However, some numerical inconsistencies arise when using these models to interpret the data obtained in short-term respirometric batch experiments. In this study, both models are fitted to four different respirometric batch profiles obtained with biomass from different WWTP. The parameter estimation results and the practical (local) identifiability are analysed, and the limitations of both models are discussed. The growth yield obtained by fitting ASM1 to the short-term respirometric batch profiles is higher than the default one, as well as the storage yield obtained by fitting ASM3 is lower than the default one. Based on these values, possible improvements to the modelling of the biological COD removal, such as the inclusion of simultaneous growth and storage on external substrate, are proposed. © IWA Publishing 2005.
    Original languageEnglish
    Pages (from-to)69-77
    JournalWater Science and Technology
    Volume52
    Issue number10-11
    Publication statusPublished - 1 Dec 2005

    Keywords

    • Activated sludge models
    • Biological COD removal
    • Practical identifiability
    • Respirometry
    • Storage

    Fingerprint

    Dive into the research topics of 'Limitations of ASM1 and ASMS3: A comparison based on batch oxygen uptake rate profiles from different full-scale wastewater treatment plants'. Together they form a unique fingerprint.

    Cite this