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Enhanced anaerobic digestion of cellulose by intermittent floc-dispersion at 55°C

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Summary

The thermophilic (55°C) bioconversion of cellulose (α-floc) to volatile fatty acids ceased prior to completion at high cellulose concentrations. This was attributable to the formation of large aggregates of partially digested cellulose which resulted in mass transfer limitations. Mechanical re-dispersion of cellulose enhanced the acid production. The total acid concentration increased from 4.18 g/L volatile acids (control) to 6.92 g/L after two blendings.

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References

  1. Bhadra, A., Zelin, S., Scharer, J.M., and Moo-Young, M. (1985), “Thermophilic Bioconversion of Cellulose to Volatile Fatty Acids”, submitted, The Chemical Engineering Journal, U.K.

  2. Sanderson, J.E., Wise, D.L., and Augenstein, D.C. (1979), in: Biotech. Bioeng. Symp. No.8. C.D. Scott, ed. 131–151. J. Wiley & Sons Inc.

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Authors and Affiliations

  1. Department of Chemical Engineering, University of Waterloo, N2L 3G1, Waterloo, Ontario, Canada

    Amit Bhadra, Jeno M. Scharer & Murray Moo-Young

  2. School of Engineering, University of Guelph, N1G 2W1, Guelph, Ontario, Canada

    Samuel Zelin

Authors
  1. Amit Bhadra
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  2. Jeno M. Scharer
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  3. Murray Moo-Young
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  4. Samuel Zelin
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Bhadra, A., Scharer, J.M., Moo-Young, M. et al. Enhanced anaerobic digestion of cellulose by intermittent floc-dispersion at 55°C. Biotechnol Lett 8, 209–212 (1986). https://doi.org/10.1007/BF01029382

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  • DOI: https://doi.org/10.1007/BF01029382

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