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Papers
20 resultsPorous Asphalt Mixture with Improved Fatigue Resistance and Stormwater Pollutant Reduction in Urban Road Pavement
Not a microplastics paper — this study evaluates a highly modified porous asphalt mixture designed to improve road fatigue resistance and reduce stormwater runoff and associated pollutants in urban environments.
Analysis of Micropollutants in Urban Water Run-off
This study investigates the quality of urban stormwater runoff, focusing on concentrations of micropollutants including heavy metals and microplastics. The research evaluates how runoff from urban surfaces contaminates both groundwater and surface water, and assesses current stormwater management strategies in cities.
Unveiling the Potential: Selecting Optimal Materials for Physical Pools in a Pavement-Runoff-Integrated Treatment System
This paper is not about microplastics; it tests different gravel sizes and activated carbon types as filtration and adsorption materials for removing petroleum and heavy metals from pavement stormwater runoff.
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
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.
Microplastics retained in stormwater control measures: Where do they come from and where do they go?
Stormwater control measures were found to retain and accumulate microplastics from both episodic stormwater loading and continuous atmospheric deposition, raising concern that they may serve as long-term microplastic sources to groundwater through downward particle migration.
Unveiling the duality of cement and concrete addressing microplastic pollution: a review
This review explores the dual role of cement and concrete in microplastic pollution -- they can both contribute to and potentially help filter out microplastics from the environment. The research suggests that specially designed porous concrete could be used in water filtration systems to capture microplastics before they reach drinking water supplies.
The Occurrence and Removal of Microplastics from Stormwater Using Green Infrastructure
This review examines microplastic occurrence in urban stormwater and the potential of green infrastructure — particularly bioretention systems and constructed wetlands — to capture and remove plastic particles before they reach surface water bodies.
A Review on the Application of Granular Filter Media and the Utilization of Agro-industrial Wastes for Stormwater Quality Improvement
This systematic review found that granular filter media including sand, biochar, and agro-industrial waste materials effectively remove heavy metals, nutrients, and suspended solids from stormwater runoff. Agricultural waste materials like coconut coir and rice husk showed promising performance as low-cost filter alternatives. These filtration approaches are relevant to microplastic pollution because stormwater is a major transport pathway for microplastics from urban surfaces to waterways, and granular filters can potentially capture microplastic particles.
Characterization of microplastics accumulated in sediments of stormwater detention basins, in relation to the land use patterns in the contributing catchment.
Microplastics in stormwater detention basin sediments were characterized and linked to surrounding land use, with roads and residential areas contributing the highest concentrations and most diverse plastic types.
Plastic pollution risks in bioretention systems: a case study
Researchers investigated plastic pollution in urban stormwater bioretention systems and found these green infrastructure features both accumulate microplastics from road runoff and risk leaching plastic particles into groundwater, raising concerns about their role as pollution pathways.
Microplastics Characterization in Stormwater: Pavement Source Evaluation and Treatment Efficiency of a Bioretention Cell
Researchers characterised microplastics in stormwater from pavement sources and evaluated the treatment efficiency of a bioretention cell, finding that pavement surfaces contribute substantially to microplastic loading and that bioretention can reduce particle concentrations.
Long-term environmental performance of precast slabs in permeable pavements: hydraulic functionality and pollutant retention in a real-life installation
Researchers assessed the long-term environmental performance of precast permeable pavement slabs in a real-world installation, finding that accumulated contaminants including microplastics build up within the porous structure over time. The study highlights the dual role of permeable pavements as both stormwater management infrastructure and a potential reservoir for pollutants requiring periodic maintenance.
Permeable pavement blocks as a sustainable solution for managing microplastic pollution in urban stormwater
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.
The urban microplastic footprint: investigating the distribution and transport
Researchers investigated the distribution and transport of microplastics within an urban environment, mapping the 'urban microplastic footprint' to understand how city infrastructure and land use patterns drive the spatial distribution and downstream export of plastic particles to receiving water bodies.
Stormwater runoff microplastics: Polymer types, particle size, and factors controlling loading rates
Researchers characterized microplastics in stormwater runoff samples collected at urban outfall locations. The study identified 17 different polymer types across various storm events, with concentrations around 0.99 particles per liter for the 500-1000 micrometer size range, and found that rainfall intensity and land use were key factors controlling microplastic loading rates.
Caractérisation des microplastiques présents dans les sédiments des bassins de retenue des eaux pluviales.
This French-language study characterizes microplastics found in the sediments of stormwater retention basins, which collect runoff from urban and agricultural areas. The findings show that these basins accumulate significant microplastic loads, making them potential hotspots of concentrated plastic pollution.
Microplastics and nanoplastics in stormwater management engineered porous media systems: a systematic review of their sources, transport, retention, and removal characteristics
This systematic review summarizes how engineered stormwater systems like rain gardens and biofilters capture and retain microplastics and nanoplastics. The findings show these systems can effectively reduce plastic particles in stormwater runoff, which matters because untreated stormwater is a major pathway for microplastics to enter the rivers and lakes that supply our drinking water.
Occurrence and Pathways of Microplastics in Bioretention Filters
Researchers found eleven microplastic polymer types in bioretention filter soil and stormwater samples in an urban setting, characterizing the occurrence and pathways of microplastics entering these green infrastructure systems from contaminated impervious surface runoff.
Analysis and study of the migration pattern of microplastic particles in saturated porous media pavement
This study modeled how microplastic particles migrate through porous pavement during stormwater runoff, providing insights for designing urban road surfaces that could reduce microplastic transport into groundwater and waterways.
Microplastic sampling strategies in urban drainage systems for quantification of urban emissions based on transport pathways
Researchers developed and applied microplastic sampling strategies across an entire urban municipal catchment under both dry and wet weather conditions, finding that wastewater treatment plants remove over 96% of microplastics but still emit 189 kg per year, while wet-weather emissions from high-traffic subcatchments reached 1,952 grams per population equivalent per year, far exceeding dry-weather levels.