Simulation and control of an upflow anaerobic sludge blanket (UASB) reactor using ADM1-based distributed parameter model

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DOIResolve DOI: http://doi.org/10.1021/ie060853l
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TypeArticle
Journal titleIndustrial and Engineering Chemistry Research
Volume46
Issue5
Pages15191526; # of pages: 8
Subjectenv
AbstractIn this study, an ADM1-based distributed parameter model was used to evaluate the influence of organic loading and external recirculation on upflow anaerobic sludge blanket (UASB) reactor performance. A process control strategy based on the manipulation of the external recirculation-to-influent ratio was proposed. This strategy was compared with the traditional dilution rate-based method to control the effluent chemical oxygen demand (COD) concentration and methane gas flow rate. Furthermore, a simple rule, which suggested when and how to use the dilution rate and the recirculation-to-influent ratio in a multivariable control system, was proposed. The simulations showed that the use of a multivariable control system improved reactor performance and stability, in comparison to a traditional dilution rate-based control method.
Publication date
AffiliationNRC Biotechnology Research Institute; National Research Council Canada
Peer reviewedNo
NRC number49027
NPARC number3539360
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Record identifier73416cdd-ce33-4610-8740-cbeea2a2c42d
Record created2009-03-01
Record modified2016-05-09
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