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Environmental Assessment of Controlled Landfill Site and Biogas Electric Potential Prediction of Moroccan Municipality Using Theoretical and Numerical Modeling Approaches


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DOI: https://doi.org/10.15866/irecon.v11i5.24175

Abstract


Biogas, also called landfill gas, used to generate electricity, replace fossil fuels in industrial and manufacturing activities, or upgraded to obtain an alternative vehicle fuel. Is extracted from controlled landfills, of which the site of the Moroccan municipality particularly the landfill site of Fez city makes a reference. However, its biogas recovery sector has been experiencing malfunctions for more than three years which have led to the shutdown of the unit. The assessment method used in this work can be implemented by any operator in this field of activity to evaluate the site, the composition of the biogas, to predicate the quantities generated in methane and in energy, to anticipate, control and improve the productivity of controlled landfill sites for household and similar waste. The effectiveness of this study is demonstrated by the theoretical and numerical calculations performed with the possibility of validation through on-site experiments. The results demonstrated a volume of available biogas and an electrical potential equivalent to 25 million m3 and 87252 MWh respectively, with a methane content meeting international standards equivalent to 56,78±2%. Elimination of Hydrogen sulfide from biogas is a priority to improve the energy productivity, and reduce recovery unit shutdown problems.
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Keywords


Biomass Conversion; Digestion Empirical Models; Energy Recovery; Methane; Waste Management

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