Framework for Construction of Multi-scale Models for Biological Wastewater Treatment Processes - Case Study: Autotrophic Nitrogen Conversion

Anna Katrine Vangsgaard, Miguel Mauricio Iglesias, Krist Gernaey, Barth F. Smets, Gürkan Sin

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Abstract

In wastewater treatment technologies, employing biofilms or granular biomass, processes might occur at very different spatial and temporal scales. Model development for such systems is typically a tedious, complicated, and time consuming task, which involves selecting appropriate model equations for the different scales, making appropriate and simplifying assumptions, connecting them through a defined linking scheme, analyzing and solving the model equations numerically, and performing parameter estimations if necessary. In this study, a structured framework for modeling such systems is developed. It aims to support the user at the various steps and to reduce the time it takes to generate a model ready for application. An implementation of the framework is illustrated using a simple case study, which considers treatment of a nitrogen-rich wastewater via nitritation.
Original languageEnglish
Title of host publication8th IWA Symposium on Systems Analysis and Integrated Assessmen
Publication date2011
Pages687-690
Publication statusPublished - 2011
Event8th IWA Symposium on System Analysis and Integrated Assessment - San Sebastian, Spain
Duration: 20 Jun 201122 Jun 2011

Conference

Conference8th IWA Symposium on System Analysis and Integrated Assessment
Country/TerritorySpain
CitySan Sebastian
Period20/06/201122/06/2011

Keywords

  • Modeling framework
  • Nitrogen conversion
  • Multi-scale model
  • AOB
  • Wastewater treatment

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