The IWA Anaerobic Digestion Model No 1 (ADM1)

  • D.J. Batstone
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • J. Keller
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • I. Angelidaki
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • S.V. Kalyuzhnyi
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • S.G. Pavlostathis
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • A. Rozzi
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • W.T.M. Sanders
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • H. Siegrist
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia
  • V.A. Vavilin
    Chairperson, IWA Anaerobic Digestion Modelling Task Group, Advanced Wastewater Management Centre, The University of Queensland, St. Lucia, QLD 4072, Australia

説明

<jats:p>The IWA Anaerobic Digestion Modelling Task Group was established in 1997 at the 8th World Congress on Anaerobic Digestion (Sendai, Japan) with the goal of developing a generalised anaerobic digestion model. The structured model includes multiple steps describing biochemical as well as physico-chemical processes. The biochemical steps include disintegration from homogeneous particulates to carbohydrates, proteins and lipids; extracellular hydrolysis of these particulate substrates to sugars, amino acids, and long chain fatty acids (LCFA), respectively; acidogenesis from sugars and amino acids to volatile fatty acids (VFAs) and hydrogen; acetogenesis of LCFA and VFAs to acetate; and separate methanogenesis steps from acetate and hydrogen/CO2. The physico-chemical equations describe ion association and dissociation, and gas-liquid transfer. Implemented as a differential and algebraic equation (DAE) set, there are 26 dynamic state concentration variables, and 8 implicit algebraic variables per reactor vessel or element. Implemented as differential equations (DE) only, there are 32 dynamic concentration state variables.</jats:p>

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