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Description: Anaerobic digesters are an environmental technology that treats waste products while simultaneously producing renewable energy in the form of biogas. Modelling this process is challenging as it involves dozens of interrelated biochemical processes driven by hundreds of species of microorganisms whose populations are constantly in flux. The current state-of-the-art model is the Anaerobic Digestion Model No. 1 (ADM1), published by the International Water Association [1]. ADM1 is a bulk model with no spatial resolution, useful for lab-scale digesters, but problematic for full-scale digesters. The purpose of this research is to improve on this model by adding three-dimensional spatial resolution, as well as a fully realized Computational Fluid Dynamics (CFD) flow model. The resulting model, Anaerobic Digestion Model with Multi-Dimensional Architecture (ADM-MDA), is presented.

Keywords: anaerobic digesters, ADM1, CFD, biogas
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Citation: D. Gaden and E. Bibeau. 2013. Modelling anaerobic digesters in three dimensions. CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
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Date: juil-11
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Conference name: CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
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Type: Text.Article
Format: PDF
Publication type: Conference Proceeding
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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