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Chaussées perméables pour le contrôle de la pollution microplastique: une analyse en laboratoire dans des conditions pluviométriques méditerranéennes
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Researchers tested the effectiveness of permeable pavement systems under Mediterranean rainfall conditions in Valencia, Spain, finding that permeable surfaces significantly reduced the number of microplastics transported by urban stormwater runoff, with polypropylene fragments being most effectively retained.
Le ruissellement des eaux pluviales lave les surfaces urbaines et entraîne les microplastiques vers les plans d'eau récepteurs. L'impact négatif causé par ce polluant dans l'environnement, souligne la nécessité de le contrôler. L'utilisation potentielle des Systèmes de Drainage Urbain Durables, et des chaussées perméables en particulier, parvient à réduire considérablement les particules en suspension transportées par le ruissellement. L'étude vise à étudier l'efficacité des chaussées perméables à la rétention des microplastiques. La réponse d'un chaussée perméable est testée sous un régime pluviométrique moyen à Valence (Espagne). Les résultats montrent une réduction significative du nombre de microplastiques infiltrés à travers la chaussée perméable. Les fragments de polypropylène étaient les particules les plus retenues. Bien qu'il soit encore nécessaire d'améliorer l'efficacité de la rétention des fibres, la mise en place de chaussées perméables en milieu urbain peut contribuer à réduire la présence de microplastiques dans les déversements d'eaux pluviales.
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Eficiencia de los pavimentos permeables para la retención de microplásticos de la escorrentía urbana
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Researchers evaluated the effectiveness of permeable pavements as sustainable urban drainage systems for retaining microplastics from urban stormwater runoff, testing their performance under controlled laboratory conditions calibrated to average rainfall patterns in Valencia, Spain. Results showed a significant reduction in microplastic particle counts in water passing through the permeable pavement layers.
Análisis del comportamiento hidráulico y ambiental a largo plazo de pavimentos permeables y de su potencial para el control de microplásticos en la gestión avanzada de escorrentías urbanas
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Researchers investigated the long-term hydraulic and environmental performance of permeable pavements for controlling microplastics in urban stormwater runoff, demonstrating their potential to prevent suspended solids and associated microplastic particles from reaching the environment.
Evaluación del potencial de retención de microplásticos en SUDS maduros
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A feeding trial with juvenile red swamp crayfish determined that 37,818 IU/kg dietary vitamin A was optimal, maximizing growth, antioxidant enzyme activity, intestinal morphology, and digestive enzyme function while minimizing liver stress markers. Understanding nutritional requirements of aquatic crustaceans is relevant to microplastic research as crayfish are exposed to microplastics in their environment and dietary interactions may modulate their physiological vulnerability to plastic-associated contaminants.
Permeable pavement blocks as a sustainable solution for managing microplastic pollution in urban stormwater
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Researchers tested whether permeable pavement, the kind of pavement that lets water drain through it, can filter out microplastics from urban stormwater runoff. They found it can trap microplastic particles effectively, suggesting permeable pavement could be a practical tool for reducing the amount of microplastics that wash into rivers and oceans from city streets.
Removal and fate of microplastics in permeable pavements: An experimental layer-by-layer analysis
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Researchers tested permeable pavements as a way to capture microplastics from urban stormwater runoff and found they retained 89% to over 99% of microplastic particles. The microplastics accumulated mainly on the pavement surface and in geotextile filter layers, preventing them from reaching natural waterways. This type of sustainable urban drainage could be an effective tool for reducing the amount of microplastics that wash off roads and into the water sources people depend on.
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