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    Area of Science:

    • Environmental Science
    • Chemical Engineering
    • Waste Management

    Background:

    • Secondary pollutants generated in waste containers pose environmental risks.
    • Understanding seasonal variations is crucial for effective waste management strategies.

    Purpose of the Study:

    • To investigate the seasonal generation and variation of secondary pollutants in refuse containers.
    • To analyze the impact of temperature on air and leachate quality.

    Main Methods:

    • Monitoring concentrations of hydrogen sulfide (H2S), methane (CH4), and ammonia (NH3) in the air.
    • Analyzing leachate parameters including pH, chemical oxygen demand (COD), biochemical oxygen demand (BOD5), ammonia, and total phosphorus (TP).
    • Correlating pollutant levels with seasonal temperature changes.

    Main Results:

    • Air pollutant concentrations (H2S, CH4, NH3) peaked in summer.
    • Leachate pollutants (COD, BOD5) were higher in winter, while ammonia and TP showed seasonal fluctuations.
    • High temperatures, particularly in summer, significantly influenced air pollution.

    Conclusions:

    • Seasonal temperature extremes, especially summer heat, drive significant air pollution.
    • Waste containers should be protected from high temperatures and long storage times to minimize flammable gas and pollutant generation.