Process analysis of fluidized bed biofilm reactor for denitrification

H. Harada, H. Ando, K. Momonoi

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


A mathematical model is proposed herein to describe the dynamic behavior of the denitrification process in a fluidized bed biofilm reactor. The model basically consists of the following four submodels: bioparticles fluidization, bulk liquid flow pattern, substrate conversion within biofilm and biofilm thickness development. As for intrinsic denitrification reaction, a consecutive two-step reaction kinetics with nitrite as an intermediate product is adopted. All parameters needed for simulation were experimentally determined. Verification of the model was obtained in a dynamic state using a laboratory-scale fluidized bed denitrification reactor under well defined conditions.

Original languageEnglish
Pages (from-to)151-162
Number of pages12
JournalWater Science and Technology
Issue number1-2
Publication statusPublished - 1987

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology


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