Anaerobic digestion model no 1 - based distributed parameter model of an anaerobic reactor: I. Model development

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DOIResolve DOI: http://doi.org/10.1016/j.biortech.2007.07.060
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TypeArticle
Journal titleBioresource Technology
Volume99
Issue9
Pages36653675; # of pages: 11
SubjectAcids; analysis; env; Fatty Acids; Oxygen
AbstractThis work presents a distributed parameter previous termmodel of the anaerobic digestionnext term process. The previous termmodelnext term is based on the previous termAnaerobic digestion model no. 1next term (ADM1) and was developed to simulate previous termanaerobic digestionnext term process in high-rate reactors with significant axial dispersion, such as in upflow previous termanaerobicnext term sludge bed (UASB) reactors. The previous termmodel,next term which was named ADM1d, combines ADM1's kinetics of biomass growth and substrate transformation with axial dispersion material balances. ADM1d uses a hyperbolic tangent function to describe biomass distribution within a previous termonenext term compartment previous termmodel.next term A comparison of this approach with a two-compartment, sludge bed - liquid above the bed, previous termmodelnext term showed similar simulation results while the previous termonenext term-compartment previous termmodelnext term had less equations. A comparison of orthogonal collocation and finite difference algorithms for numerical solution of ADM1d showed better stability of the finite difference algorithm.
Publication date
LanguageEnglish
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedNo
NRC number49082
NPARC number3539430
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Record identifier06cb28c7-4948-4e7d-bbff-5f15a3cfdb12
Record created2009-03-01
Record modified2016-05-09
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