Modeling integrated fixed-film activated sludge and moving-bed biofilm reactor systems II: Evaluation

Joshua P. Boltz, Bruce R. Johnson, Glen T. Daigger, Julian Sandino, Deborah Elenter

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A steady-state model presented by Boltz, Johnson, Daigger, and Sandino (2009) describing integrated fixed-film activated sludge (IFAS) and moving-bed biofilm reactor (MBBR) systems has been demonstrated to simulate, with reasonable accuracy, four wastewater treatment configurations with published operational data. Conditions simulated include combined carbon oxidation and nitrification (both IFAS and MBBR), tertiary nitrification MBBR, and post denitrification IFAS with methanol addition as the external carbon source. Simulation results illustrate that the IFAS/MBBR model is sufficiently accurate for describing ammonia-nitrogen reduction, nitrate/nitrite-nitrogen reduction and production, biofilm and suspended biomass distribution, and sludge production.

Original languageEnglish (US)
Pages (from-to)576-586
Number of pages11
JournalWater Environment Research
Volume81
Issue number6
DOIs
StatePublished - 2009
Externally publishedYes

Keywords

  • Activated sludge
  • Biofilm
  • Bioreactor
  • Diffusion
  • Integrated fixed-film activated sludge
  • Modeling
  • Moving-bed biofilm reactor
  • Reaction

ASJC Scopus subject areas

  • Environmental Chemistry
  • Ecological Modeling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

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