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Olive Mill Waste-Based Anaerobic Digestion as a Source of Local Renewable Energy and Nutrients

Author

Listed:
  • Mohamed Aboelfetoh

    (Department of Soils & Water, Faculty of Environmental Agriculture Sciences, Arish University, Arish 45516, North Sinai, Egypt)

  • Amro Hassanein

    (Department of Environmental Science and Technology, University of Maryland, College Park, MD 20742, USA)

  • Mohamed Ragab

    (Department of Soils & Water, Faculty of Environmental Agriculture Sciences, Arish University, Arish 45516, North Sinai, Egypt)

  • Mohamed El-kassas

    (Department of Soils & Water, Faculty of Environmental Agriculture Sciences, Arish University, Arish 45516, North Sinai, Egypt)

  • Ezzat R. Marzouk

    (Department of Soils & Water, Faculty of Environmental Agriculture Sciences, Arish University, Arish 45516, North Sinai, Egypt)

Abstract

This study focused on what combination of anaerobic digestion (AD) temperature (ambient, mesophilic, and thermophilic) and olive mill waste (OMW) to dairy manure (DM) ratio mixture delivers the desired renewable energy and digestate qualities when using AD as olive mill waste treatment. OMW is widespread in the local environment in the North Sinai region, Egypt, which causes many environmental hazards if left without proper treatment. Three different mixtures consisting of OMW, dairy manure (DM), and inoculum (IN) were incubated under ambient, mesophilic, and thermophilic conditions for 45 days. The results showed that mixture B (2:1:2, OMW:DM:IN) at 55 °C produced more methane than at 35 °C and ambient temperature by 40% and 252%, respectively. Another aim of this study was to investigate the effects of the different concentrations of the digestate taken from each mixture on faba bean growth. The results showed that the maximum fresh weight values of the shoot system were observed at 10% and 15% for mixture B at ambient temperature. The best concentration value for the highest root elongation rate is a 5% addition of digestate mixture A at 55 °C, compared with other treatments.

Suggested Citation

  • Mohamed Aboelfetoh & Amro Hassanein & Mohamed Ragab & Mohamed El-kassas & Ezzat R. Marzouk, 2022. "Olive Mill Waste-Based Anaerobic Digestion as a Source of Local Renewable Energy and Nutrients," Sustainability, MDPI, vol. 14(3), pages 1-18, January.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:3:p:1402-:d:734503
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    Citations

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    Cited by:

    1. Imran Khan & Shahariar Chowdhury & Kuaanan Techato, 2022. "Waste to Energy in Developing Countries—A Rapid Review: Opportunities, Challenges, and Policies in Selected Countries of Sub-Saharan Africa and South Asia towards Sustainability," Sustainability, MDPI, vol. 14(7), pages 1-27, March.
    2. Aziz Boutafda & Mohamed Hafidi & Yedir Ouhdouch & Eric Pinelli & Martin Jemo & Loubna El Fels, 2023. "Fungal Strain as Biological Tool to Remove Genotoxicity Effect of Phenolic Compounds from Olive Mill Wastewater," Sustainability, MDPI, vol. 15(8), pages 1-18, April.

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