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Comprehensive Study of Energy Characteristics and Biohazard Assessment of Municipal Solid Waste from the Landfill of the City of Atyrau

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  • Nikolay S. Ivanov

    (D.V. Sokolsky Institute of Fuel Catalysis and Electrochemistry, 050010 Almaty, Kazakhstan)

  • Arlan Z. Abilmagzhanov

    (D.V. Sokolsky Institute of Fuel Catalysis and Electrochemistry, 050010 Almaty, Kazakhstan)

  • Oleg S. Kholkin

    (D.V. Sokolsky Institute of Fuel Catalysis and Electrochemistry, 050010 Almaty, Kazakhstan)

  • Iskander E. Adelbaev

    (D.V. Sokolsky Institute of Fuel Catalysis and Electrochemistry, 050010 Almaty, Kazakhstan)

Abstract

This article presents the results of the study of the morphological composition of municipal solid waste (MSW) from the landfill of Atyrau city, and the waste’s energy characteristics and presence of microorganisms, including bacteria, fungi and viruses. This study was carried out under a government order to determine the feasibility of recycling accumulated and incoming waste into electricity and its hazard to the environment and the workers involved in handling it. At the moment, there is no MSW recycling in Kazakhstan, which has led to the accumulation of more than 125 million tons of waste with an annual increase of 5 million tons. The research included four major cities (Almaty, Shymkent, Atyrau and Astana), which were selected not only on the basis of population, but also because the cities were located in different climatic zones. Samples were collected at the city landfills: 10 samples with an average distance of 100 m from each other were collected to provide a maximum coverage of both recently received waste and long-time stored waste. The research showed that neither climatic conditions nor the population size had a significant impact on MSW density, the values of which ranged from 120.1 kg/m 3 to 145.4 kg/m 3 , as this indicator directly depends on the quality of life. The mass of the combustible fraction ranged from 39.41% to 54.62% and was mainly represented by plastic, textile and paper waste. The average value for the four cities was 50.30%. The higher calorific value fell in the range of 24.22–30.49 MJ/kg, with an average value of 26.71 MJ/kg. Microbiological studies showed little difference in average composition regardless of climatic conditions. Thus, no sharp differences in MSW composition, its energy characteristics and microbiological composition were found. The results of this study may be useful for optimising MSW recycling and disposal processes, as well as for developing measures to reduce their negative impact on the environment and human health.

Suggested Citation

  • Nikolay S. Ivanov & Arlan Z. Abilmagzhanov & Oleg S. Kholkin & Iskander E. Adelbaev, 2024. "Comprehensive Study of Energy Characteristics and Biohazard Assessment of Municipal Solid Waste from the Landfill of the City of Atyrau," Clean Technol., MDPI, vol. 6(1), pages 1-13, January.
    • Handle: RePEc:gam:jcltec:v:6:y:2024:i:1:p:4-61:d:1312127
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    References listed on IDEAS

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    1. Rezaei, Mahdi & Ghobadian, Barat & Samadi, Seyed Hashem & Karimi, Samira, 2018. "Electric power generation from municipal solid waste: A techno-economical assessment under different scenarios in Iran," Energy, Elsevier, vol. 152(C), pages 46-56.
    2. Hridoy Roy & Samiha Raisa Alam & Rayhan Bin-Masud & Tonima Rahman Prantika & Md. Nahid Pervez & Md. Shahinoor Islam & Vincenzo Naddeo, 2022. "A Review on Characteristics, Techniques, and Waste-to-Energy Aspects of Municipal Solid Waste Management: Bangladesh Perspective," Sustainability, MDPI, vol. 14(16), pages 1-25, August.
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