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A Comparative Study of Microwave and Resistance Heating for the Efficient Thermal Desorption of Mineral Oil from Contaminated Soils

Author

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  • Jun Xu

    (Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071000, China)

  • Songtao Liu

    (Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071000, China)

  • Chuanmin Chen

    (Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071000, China)

Abstract

The contamination of soils by mineral oils presents a significant environmental challenge, particularly due to the widespread use of petroleum products in various industrial sectors. This study investigates the efficiency of microwave heating compared to conventional resistance heating for the thermal desorption of mineral oil from contaminated soils. The experimental results demonstrated that microwave heating offers superior performance in terms of pollutant removal efficiency, energy consumption, and the preservation of soil’s physical and chemical properties. This study further conducted a kinetic analysis of the desorption process, revealing that microwave heating follows a first-order kinetic model and requires lower activation energy than conventional methods. The findings suggest that microwave-assisted thermal desorption is a highly effective and energy-efficient technology for soil remediation, providing a potential alternative to conventional techniques. This research offers valuable insights into optimizing thermal desorption processes for environmental remediation, with implications for broader applications in soil treatment.

Suggested Citation

  • Jun Xu & Songtao Liu & Chuanmin Chen, 2024. "A Comparative Study of Microwave and Resistance Heating for the Efficient Thermal Desorption of Mineral Oil from Contaminated Soils," Sustainability, MDPI, vol. 16(18), pages 1-12, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:18:p:8222-:d:1482562
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    References listed on IDEAS

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    1. Ahmad K. Hegazy & Zahra S. Hussein & Nermen H. Mohamed & Gehan Safwat & Mohamed A. El-Dessouky & Ilinca Imbrea & Florin Imbrea, 2023. "Assessment of Vinca rosea (Apocynaceae) Potentiality for Remediation of Crude Petroleum Oil Pollution of Soil," Sustainability, MDPI, vol. 15(14), pages 1-17, July.
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