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Mechanistic Insights to Increased Retention of Smaller-Sized Nanoplastic Particles in Water-Saturated Sand Media with Montmorillonite and Diatomite: Particle Sizes, Water Components and Model
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Mechanisms of increased small nanoplastic particle retention in water-saturated sand media with montmorillonite and diatomite: Particle sizes, water components, and modelling
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Researchers compared how clay minerals (diatomite and montmorillonite) affect the transport of 20 nm and 80 nm polystyrene nanoplastics through water-saturated sand columns, finding that very small nanoplastics (20 nm) can enter diatomite's porous lattice structure, enhancing their retention, while montmorillonite more broadly inhibited transport of both sizes.
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