Modified calibration protocol evaluated in a model-based testing of SBR flexibility

Lluís Corominas, Gürkan Sin, Sebastià Puig, Maria Dolors Balaguer, Peter A. Vanrolleghem, Jesús Colprim

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The purpose of this paper is to refine the BIOMATH calibration protocol for SBR systems, in particular to develop a pragmatic calibration protocol that takes advantage of SBR information-rich data, defines a simulation strategy to obtain proper initial conditions for model calibration and provides statistical evaluation of the calibration outcome. The updated calibration protocol is then evaluated on a case study to obtain a thoroughly validated model for testing the flexibility of an N-removing SBR to adapt the operating conditions to the changing influent wastewater load. The performance of reference operation using fixed phase length and dissolved oxygen set points and two real-time control strategies is compared to find optimal operation under dynamic conditions. The results show that a validated model of high quality is obtained using the updated protocol and that the optimization of the system’s performance can be achieved in different manners by implementing the proposed control strategies.
Original languageEnglish
JournalBioprocess and Biosystems Engineering
Volume34
Issue number2
Pages (from-to)205-214
ISSN1615-7591
DOIs
Publication statusPublished - 2011

Keywords

  • Nitrogen removal
  • Real-time control
  • Sequencing batch reactor
  • Parameter estimation
  • Calibration
  • Wastewater treatment
  • Optimization
  • Respirometry
  • ASM1

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