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July 10, 2026Journal of Hazardous MaterialsOpen Access

Weathering of nanoplastics reduces the effect of sand surface heterogeneity on their attachment in saturated porous media

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Authors

YXYanghui XuJHJan Peter van der HoekLRLuuk C. Rietveld

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Overview

Randomized trial examines the effects of weathering and organic matter on nanoplastics in porous media, suggesting altered transport dynamics.

Key Points

  • This research aims to understand how weathering processes affect the attachment and transport of nanoplastics in porous media.
  • Examined the transport dynamics of non-weathered and UV-weathered polystyrene nanoplastics in saturated porous media.
  • Analyzed the impact of natural organic matter on nanoplastic behavior under low ionic strength conditions.
  • Investigated the effects of sand surface heterogeneity on nanoplastic attachment sites.
  • UV weathered nanoplastics showed reduced irreversible and reversible deposition compared to non-weathered counterparts.
  • Transport dynamics followed a two-stage pattern: initial rapid attachment followed by slower, irreversible attachment.
  • The presence of natural organic matter varied the deposition impact depending on the UV weathering extent.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/6a508b536eeac72a437a00f2https://doi.org/10.1016/j.jhazmat.2026.142872
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