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Simulation of the Impact of SRT on Anaerobic Digestability of Ultrasonicated Hog Manure

Author

Listed:
  • Elsayed Elbeshbishy

    (Department of Civil and Environmental Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada)

  • Angel Nakevski

    (Department of Chemical and Biochemical Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada)

  • Hisham Hafez

    (Department of Civil and Environmental Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada)

  • Madhumita Ray

    (Department of Chemical and Biochemical Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada)

  • George Nakhla

    (Department of Civil and Environmental Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada)

Abstract

Ultrasonication at a specific energy of 500 kJ/kgTS was applied to hog manure in a continuous mode completely mixed anaerobic digestion. A process model in BioWin was developed, calibrated and tested at different solids retention times (SRTs) to evaluate the process economics. The results showed that there was a 36% increase in volatile suspended solids (VSS) removal efficiency, a 20% increase in methane production rate, a 13.5% increase in destruction of bound proteins, and a reduction from 988 to 566 ppm in H 2 S concentration in the digester headspace. Furthermore, a calibrated model of the process using BioWin to assess the impact of SRTs on the economics of anaerobic digestion for unsonicated and sonicated hog manure revealed that ultrasonication resulted in a net benefit of $42–46/ton dry solids at SRTs of 15–30 days.

Suggested Citation

  • Elsayed Elbeshbishy & Angel Nakevski & Hisham Hafez & Madhumita Ray & George Nakhla, 2010. "Simulation of the Impact of SRT on Anaerobic Digestability of Ultrasonicated Hog Manure," Energies, MDPI, vol. 3(5), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:3:y:2010:i:5:p:974-988:d:8308
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    Citations

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    Cited by:

    1. Hamawand, Ihsan, 2015. "Anaerobic digestion process and bio-energy in meat industry: A review and a potential," Renewable and Sustainable Energy Reviews, Elsevier, vol. 44(C), pages 37-51.
    2. Hortence Ingabire & Boniface Ntambara & Ezgad Mazimpaka, 2023. "Characterization and analysis of fish waste as feedstock for biogas production," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 18, pages 212-217.
    3. Ihsan Hamawand & Craig Baillie, 2015. "Anaerobic Digestion and Biogas Potential: Simulation of Lab and Industrial-Scale Processes," Energies, MDPI, vol. 8(1), pages 1-21, January.

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