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Municipal Solid Waste and Leachate Characterization in the Cairo Metropolitan Area

Author

Listed:
  • Maged A. Hussieny

    (Public Works Department, Faculty of Engineering, Ain Shams University, 1 El-Sarayat Street, Cairo 11535, Egypt)

  • Mohamed S. Morsy

    (Soil Mechanics & Foundation Engineering Group, Structural Engineering Department, Faculty of Engineering, Ain Shams University, 1 El-Sarayat Street, Cairo 11535, Egypt)

  • Mostafa Ahmed

    (Civil Engineering Department, Faculty of Engineering, Higher Technological Institute, Tenth of Ramadan City 44629, Egypt)

  • Sherien Elagroudy

    (Egypt Solid Waste Management Center of Excellence, Ain Shams University, 1 El-Sarayat Street, Cairo 11535, Egypt)

  • Mohamed H. Abdelrazik

    (Public Works Department, Faculty of Engineering, Ain Shams University, 1 El-Sarayat Street, Cairo 11535, Egypt)

Abstract

The composition of municipal solid waste (MSW) in the Cairo metropolitan area is investigated. The outputs of MSW sorting analysis at various locations in Cairo with different waste management schemes are presented. Organics (58–75%) and plastic waste (19–28%) are the main components of MSW in Cairo with a higher percentage of organics in landfills compared to dumpsites. The leachate quality is analyzed, and the analysis results indicate that the concentration of macro inorganic pollutants (NH 4+ , Na + , Ca 2+ , and Cl − ) and heavy metals (e.g., Cd 2+ and Zn 2+ ) are exceeding the majority of values reported in the literature in various cities all over the world. There was no evidence of an effect of the recycling process on chloride concentration in leachate, while the concentration of iron was reduced. The variation of leachate quality with time for two samples collected from the same municipal solid waste landfill is presented. The first leachate sample is a two-year-old, and the second sample is a sixteen-year-old. There was a significant increase in the concentration of chloride, sodium, chromium, calcium, and magnesium. The implications of the leachate quality in Cairo on the longevity of barrier systems in an MSW landfill are discussed.

Suggested Citation

  • Maged A. Hussieny & Mohamed S. Morsy & Mostafa Ahmed & Sherien Elagroudy & Mohamed H. Abdelrazik, 2022. "Municipal Solid Waste and Leachate Characterization in the Cairo Metropolitan Area," Resources, MDPI, vol. 11(11), pages 1-21, November.
    • Handle: RePEc:gam:jresou:v:11:y:2022:i:11:p:102-:d:960316
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