A review of ADM1 extensions, applications, and analysis 2002-2005

Damien J. Batstone, J. Keller, J.-P. Steyer

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    Since publication of the Scientific and Technical Report (STR) describing the ADM1, the model has been extensively used, and analysed in both academic and practical applications. Adoption of the ADM1 in popular systems analysis tools such as the new wastewater benchmark (BSM2), and its use as a virtual industrial system can stimulate modelling of anaerobic processes by researchers and practitioners outside the core expertise of anaerobic processes. It has been used as a default structural element that allows researchers to concentrate on new extensions such,as sulfate reduction, and new applications such as distributed parameter modelling of biofilms. The key limitations for anaerobic modelling originally identified in the STIR were: (i) regulation of products from glucose fermentation, (ii) parameter values, and variability, and (iii) specific extensions. Parameter analysis has been widespread, and some detailed extensions have been developed (e.g., sulfate reduction). A verified extension that describes regulation of products from glucose fermentation is still limited, though there are promising fundamental approaches. This is a critical issue, given the current interest in renewable hydrogen production from carbohydrate-type waste. Critical analysis of the model has mainly focused on model structure reduction, hydrogen inhibition functions, and the default parameter set recommended in the STIR. This default parameter set has largely been verified as a reasonable compromise, especially for wastewater sludge digestion. One criticism of note is that the ADM1 stoichiometry focuses on catabolism rather than anabolism. This means that inorganic carbon can be used unrealistically as a carbon source during some anabolic reactions. Advances and novel applications have also been made in the present issue, which focuses on the ADM1. These papers also explore a number of novel areas not originally envisaged in this review.
    Original languageEnglish
    JournalWater Science and Technology
    Issue number4
    Pages (from-to)1-10
    Publication statusPublished - 2006
    EventInternational Workshop on the IWA Anaerobic Digestion Model No. 1 - Lyngby, Denmark
    Duration: 4 Sept 20056 Sept 2005
    Conference number: 1


    WorkshopInternational Workshop on the IWA Anaerobic Digestion Model No. 1
    SponsorInternational Association on Water Quality


    • ADM1
    • anaerobic
    • model
    • review


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