Biofiltration of volatile organic compound (VOC) mixtures under transient conditions

S. M. Zarook, A. A. Shaikh, Z. Ansar, B. C. Baltzis

Research output: Contribution to journalConference articlepeer-review

32 Scopus citations

Abstract

In this study, a transient biofilter model for binary volatile organic compound (VOC) mixture is developed. In the model, general mixing, oxygen limitation aspects, multi-component adsorption phenomena, Monod- and Andrews-type kinetics with interference between the components are considered. Multicomponent adsorption isotherms are developed and used in the solution of the model. The model has been solved by two approaches, (approximate and general) and validated with biofiltration of benzene-toluene mixture data of previous work. The approximate model is based on the quasi-steady-state approximation in the biofilm but, the general model is solved as it is without any simplifications. The results show that the predictions by the general model are closer to the actual experimental results. It was also found that inlet oxygen composition plays an important role in the biofiltration of mixed VOC removal, specially at high inlet concentrations.

Original languageEnglish (US)
Pages (from-to)4135-4142
Number of pages8
JournalChemical Engineering Science
Volume52
Issue number21-22
DOIs
StatePublished - Nov 1997
EventProceedings of the 1997 3rd International Conference on Gas-Liquid-Solid Reactor Engineering - Shonan, Jpn
Duration: Dec 7 1997Dec 10 1997

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Keywords

  • Mixed VOCs
  • Transient biofilter model
  • VOC emissions

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