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Mitigation of Methane, NMVOCs and Odor Emissions in Active and Passive Biofiltration Systems at Municipal Solid Waste Landfills

Author

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  • Isabella Pecorini

    (DESTEC—Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, 56122 Pisa, Italy)

  • Elena Rossi

    (DESTEC—Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, 56122 Pisa, Italy)

  • Renato Iannelli

    (DESTEC—Department of Energy, Systems, Territory and Construction Engineering, University of Pisa, 56122 Pisa, Italy)

Abstract

Biofiltration systems are emerging technological solutions for the removal of methane and odors from landfill gas when flaring is no longer feasible. This work analyzed and compared two full-scale biofiltration systems: biofilter and biowindows. The emission mitigation of methane, non-methane volatile organic compounds (NMVOCs) and odors during a two-year management and monitoring period was studied. In addition to diluted methane, more than 50 NMVOCs have been detected in the inlet raw landfill gas and the sulfur compounds resulted in the highest odor activity value. Both systems, biofilter and biowindows, were effective for the oxidation of methane (58.1% and 88.05%, respectively), for the mitigation of NMVOCs (higher than 80%) and odor reduction (99.84% and 93.82% respectively). As for the biofilter monitoring, it was possible to define the oxidation efficiency trend and in fact to guarantee that for an oxidation efficiency of 80%, the methane load must be less than 6.5 g CH 4 /m 2 h with an oxidation rate of 5.2 g CH 4 /m 2 h.

Suggested Citation

  • Isabella Pecorini & Elena Rossi & Renato Iannelli, 2020. "Mitigation of Methane, NMVOCs and Odor Emissions in Active and Passive Biofiltration Systems at Municipal Solid Waste Landfills," Sustainability, MDPI, vol. 12(8), pages 1-23, April.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:8:p:3203-:d:345860
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    References listed on IDEAS

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    1. C.K. Haththotuwa & J.P.A. Hettiaratchi & C.H. Hunte, 2012. "Actively aerated methanobiofilters to control methane emissions from landfills," International Journal of Environmental Technology and Management, Inderscience Enterprises Ltd, vol. 15(3/4/5/6), pages 333-345.
    2. Baldi, F. & Pecorini, I. & Iannelli, R., 2019. "Comparison of single-stage and two-stage anaerobic co-digestion of food waste and activated sludge for hydrogen and methane production," Renewable Energy, Elsevier, vol. 143(C), pages 1755-1765.
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    Cited by:

    1. Kaur-Mikk Pehme & Kaja Orupõld & Valdo Kuusemets & Ottar Tamm & Yahya Jani & Toomas Tamm & Mait Kriipsalu, 2020. "Field Study on the Efficiency of a Methane Degradation Layer Composed of Fine Fraction Soil from Landfill Mining," Sustainability, MDPI, vol. 12(15), pages 1-16, August.
    2. Khanongnuch, Ramita & Abubackar, Haris Nalakath & Keskin, Tugba & Gungormusler, Mine & Duman, Gozde & Aggarwal, Ayushi & Behera, Shishir Kumar & Li, Lu & Bayar, Büşra & Rene, Eldon R., 2022. "Bioprocesses for resource recovery from waste gases: Current trends and industrial applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    3. Niccolò Frasi & Elena Rossi & Isabella Pecorini & Renato Iannelli, 2020. "Methane Oxidation Efficiency in Biofiltration Systems with Different Moisture Content Treating Diluted Landfill Gas," Energies, MDPI, vol. 13(11), pages 1-15, June.

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