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Impact of polyethylene microplastics on the vertical migration of pesticides in soil

Zenodo (CERN European Organization for Nuclear Research) 2024
Siqi Wu, Siqi Wu, Alexander Böhme, Nadin Ulrich, Zhongli Chen, Zhongli Chen, Andreas Schäffer, Andreas Schäffer, Annika Jahnke

Summary

Researchers investigated how polyethylene microplastics affect the vertical migration of pesticide mixtures in soil using stainless steel column experiments with sandy reference soil, finding that microplastics' hydrophobic surfaces and high sorption capacity altered the transport of 20 pesticides compared to uncontaminated soil.

Polymers
PE

With the revelation of microplastic contamination in soil, their interaction with chemicals has received increasing attention due to their hydrophobic surfaces, substantial sorption capacity, and large specific surface area. However, studies on microplastics affecting the migration of organic contaminants in soil have so far focused on single compounds rather than on complex contamination. To fill this knowledge gap, mixtures of 20 pesticides were used in medium-sized soil column experiments. Stainless steel columns (20 cm length, 5 cm diameter) were filled with reference soil (sandy soil) or soil containing 1 Also see: https://micro2024.sciencesconf.org/557809/document

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