Development of a calibration protocol and identification of the most sensitive parameters for the particulate biofilm models used in biological wastewater treatment

Ahmed Eldyasti, George Nakhla, Jesse Zhu

Research output: Journal PublicationArticlepeer-review

24 Citations (Scopus)

Abstract

Biofilm models are valuable tools for process engineers to simulate biological wastewater treatment. In order to enhance the use of biofilm models implemented in contemporary simulation software, model calibration is both necessary and helpful. The aim of this work was to develop a calibration protocol of the particulate biofilm model with a help of the sensitivity analysis of the most important parameters in the biofilm model implemented in BioWin® and verify the predictability of the calibration protocol. A case study of a circulating fluidized bed bioreactor (CFBBR) system used for biological nutrient removal (BNR) with a fluidized bed respirometric study of the biofilm stoichiometry and kinetics was used to verify and validate the proposed calibration protocol. Applying the five stages of the biofilm calibration procedures enhanced the applicability of BioWin®, which was capable of predicting most of the performance parameters with an average percentage error (APE) of 0-20%.

Original languageEnglish
Pages (from-to)111-121
Number of pages11
JournalBioresource Technology
Volume111
DOIs
Publication statusPublished - May 2012
Externally publishedYes

Keywords

  • Activated sludge models
  • Biofilm model
  • Calibration protocol
  • Denitrification
  • Nitrification

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

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