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A new method to study interactions between biomass and packing material in anaerobic filters

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Biotechnology Techniques

Abstract

A new anaerobic, random-packed, fixed-bed reactor, where the fixed bed matrix is distributed between up to 36 independent mini-bioreactors, has been developed to investigate biomass-support interactions in anaerobic filters. Glass, Plexiglas and polyvinyl chloride (PVC) of three sizes all gave similar results though entrapped biomass was maximal at 3 g/L of matrix void volume for the smallest size and a maximum of 1 g adhered biomass per m2 was obtained for the largest size. In a second run, by periodically removing 3 mini-bioreactors, potential specific methanogenic activities against individual substrates were determined along the time and a continuous growth of the adhered biomass was observed, achieving a maximum of 40% of the total biomass. © Rapid Science Ltd. 1998

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Authors and Affiliations

  1. Departamento de Engenharia Biológica, Universidade do Minho, Braga, Portugal

    M.M. Alves, M.A. Pereira, M. Bellouti, R.M. Álvares Pereira, J.A. Mota Vieira & M. Mota

  2. Instituto Superior Técnico, Av Rovisco Pais, Lisboa, Portugal

    J. Novais

Authors
  1. M.M. Alves
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  2. M.A. Pereira
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  3. M. Bellouti
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  4. R.M. Álvares Pereira
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  5. J.A. Mota Vieira
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  6. J. Novais
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  7. M. Mota
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Alves, M., Pereira, M., Bellouti, M. et al. A new method to study interactions between biomass and packing material in anaerobic filters. Biotechnology Techniques 12, 277–283 (1998). https://doi.org/10.1023/A:1008846113447

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  • DOI: https://doi.org/10.1023/A:1008846113447

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