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Best management practices for minimizing undesired effects of thermal remediation and soil washing on soil properties. A review

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Abstract

The use of remediated soils as end-of-life materials raises some challenges including policy and regulation, permits and specifications, technological limitations, knowledge and information, costs, as well as quality and performance associated with using them. Therefore, a set of procedures must be followed to preserve the quality and fundamental properties of soil during a remediation process. This study presented a comprehensive review regarding the fundamental impacts of thermal desorption (TD) and soil washing (SW) on soil characteristics. The effects of main operating parameters of TD and SW on the physical, chemical, and biological properties of soil were systematically reviewed. In TD, temperature has a more remarkable effect on physic-chemical and biological characteristics of soil than heating time. Therefore, decrease in temperature within a suitable range prevents unreversible changes on soil properties. In SW, more attention should be paid to extraction process of contaminants from soil particles. Using the right dosage and type of chelating agents, surfactants, solvents, and other additives can help to avoid problems with recovery or treatment using conventional methods. In addition, this review introduced a framework for implementing sustainable remediation approaches based on a holistic approach to best management practices (BMPs), which, besides reducing the risks associated with different pollutants, might provide new horizons for decreasing the unfavourable impacts of TD and SW on soil.

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The datasets are available from the corresponding author on reasonable request.

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Funding

This work was supported by the Brixiambiente Srl company.

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Roya Biabani: data curation, writing—original draft preparation, methodology, writing, and review. Piero Ferrari and Mentore Vaccari: methodology, review, and editing. All authors participated in the process of draft completion. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Roya Biabani.

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The authors declare no competing interests.

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Responsible Editor: Kitae Baek

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Biabani, R., Ferrari, P. & Vaccari, M. Best management practices for minimizing undesired effects of thermal remediation and soil washing on soil properties. A review. Environ Sci Pollut Res 30, 103480–103495 (2023). https://doi.org/10.1007/s11356-023-29656-6

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  • DOI: https://doi.org/10.1007/s11356-023-29656-6

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