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Related Experiment Videos

Pressure-drops control strategy in a fixed-bed reactor.

F Thalasso1, E Razo-Flores, R Ancia

  • 1Unit of Bioengineering, Catholic University of Louvain, Place Croix du Sud 2/19, B-1348, Louvain-la-Neuve, Belgium. thalasso@mail.cinvestav.mx

Journal of Hazardous Materials
|December 19, 2000
PubMed
Summary

This study introduces a method to manage pressure-drops in Mist-Foam biofilters by controlling liquid flow. This strategy prevents biofilter clogging by drying the biomass, ensuring stable operation.

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Area of Science:

  • Environmental Engineering
  • Biotechnology
  • Chemical Engineering

Background:

  • Biofilters are crucial for treating gaseous substrates.
  • The Mist-Foam concept utilizes mist and polyurethane foam for microbial treatment.
  • Microbial growth in biofilters can lead to increased pressure-drops and clogging.

Purpose of the Study:

  • To present a novel strategy for controlling pressure-drops in Mist-Foam biofilters.
  • To prevent biofilter clogging caused by progressive biomass accumulation.
  • To ensure stable and efficient operation of bioreactors.

Main Methods:

  • Implementing a strategy of successive, automated liquid flow interruptions.
  • Utilizing the drying effect of interrupted liquid flow on biomass.

Related Experiment Videos

  • Conducting a 160-day experimental validation of the control strategy.

    • Main Results:

    • Successfully reduced and stabilized pressure-drops in the biofilter.
    • Demonstrated effective control over biomass accumulation.
    • Prevented biofilter clogging in a carrier with high clogging potential.

    Conclusions:

    • The automated liquid flow interruption strategy is effective for pressure-drop control.
    • This method ensures the long-term operational stability of Mist-Foam biofilters.
    • The technique offers a viable solution for preventing biofilter clogging.