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Technological System to Increase the Rate of Plastic Collections from Soil
Summary
This chapter examines advanced technological systems for collecting and extracting microplastics from soil, reviewing various separation and extraction techniques designed to address the significant threat that microplastic contamination poses to terrestrial ecosystems.
This chapter discusses using advanced technological systems to improve soil microplastic (MP) collection, focusing on various separation or extraction techniques. MP contamination poses a significant threat to different ecosystems, necessitating innovative isolation strategies for remediation. The proposed technologies include density separation, electrostatic separation, oil stripping, pressurized fluid extraction, magnetic separation, etc. Density separation selectively isolates MPs based on density, while electrostatic separation uses electric fields to attract and separate charged MPs. Oil stripping uses organic solvents to extract MPs, while pressurized fluid extraction uses controlled fluid dynamics to release and collect embedded MPs. Magnetic separation employs synthesized hydrophobic iron nanoparticles (Fe-NPs) that bond to MPs, facilitating their magnetic recovery. These techniques enable a comprehensive and adaptive strategy for soil MP collection, enhancing its precision and scalability. The present study contributes to the evolving landscape of environmental technology by offering practical and attainable solutions for bettering the collection of MPs, which consequently will aid in mitigating MP pollution in terrestrial ecosystems.