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61,005 resultsShowing papers similar to Rening av dagvatten med en kompakt reningsanläggning
ClearPlastic 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.
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.
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.
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.
Retention of microplastics and tyre wear particles in stormwater ponds
Researchers analyzed stormwater retention ponds to assess their effectiveness at capturing microplastics and tire wear particles from urban runoff. They found microplastics in all water samples and significantly higher concentrations in pond sediments, suggesting that the ponds do retain a portion of these pollutants. The study indicates that while stormwater ponds offer some mitigation, their long-term performance for trapping emerging contaminants like microplastics needs further evaluation.
Characteristics and fate of plastic pollution in urban stormwater ponds
This study examined plastic pollution dynamics in urban stormwater retention ponds and found that ponds accumulate significant microplastic loads from stormwater runoff, acting as temporary sinks that can also release particles during high-flow events, challenging the assumption that stormwater infrastructure reduces plastic export to receiving waters.
Microplastics in a Stormwater Pond
Researchers analyzed microplastics in the water, sediments, and vertebrate fauna of a stormwater retention pond, finding widespread microplastic contamination across all compartments with the pond appearing to act as a sink that concentrates microplastics from urban runoff.
Eficiencia de los pavimentos permeables para la retención de microplásticos de la escorrentía urbana
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.
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.
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.
The role of different sustainable urban drainage systems in removing microplastics from urban runoff: A review
Researchers reviewed how nature-based drainage systems like wetlands, bioretention gardens, and permeable pavements can filter microplastics from urban stormwater runoff. These systems capture a significant portion of plastic particles, though smaller fibers remain the hardest to remove, and standardizing detection methods is still needed to compare results globally.
Application of Porous Concrete Infiltration Techniques to Street Stormwater Inlets That Simultaneously Mitigate against Non-Point Heavy Metal Pollution and Stormwater Runoff Reduction in Urban Areas: Catchment-Scale Evaluation of the Potential of Discrete and Small-Scale Techniques
This is a civil engineering review on using porous concrete in stormwater inlets to reduce runoff and filter heavy metals in urban areas; it is not a microplastics research paper.
[Removal Mechanism of Microplastics in Bioretention Systems and the Influence of Their Enrichment on the Treatment of Pollutants in the System].
Researchers reviewed how bioretention systems, a low-impact stormwater management strategy, can remove microplastics from urban runoff through adsorption, filtration, and biodegradation. However, because microplastics resist degradation and have large surface areas, they tend to accumulate in these systems over time, forming composite pollution with other contaminants. The study found that microplastic accumulation altered soil properties, impeded plant growth, and reduced the system's ability to remove nutrients, particularly dissolved nitrogen.
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.
Contaminants in Urban Stormwater: Barcelona case study
Researchers analyzed contaminants in urban stormwater runoff in Barcelona, examining dissolved organics, metals, nutrients, and microplastics to assess risks to environmental and public health as cities consider stormwater as a potential groundwater recharge source.
Design of model microplastics to study their transport in urban waters
Researchers designed model microplastic particles with controlled physical properties to systematically study their transport behavior in urban water systems. The work provides a foundation for understanding how microplastic size, density, and shape influence fate and transport in stormwater and urban drainage networks.
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.
Microplastic pollution in sediments of urban rainwater drainage system
Researchers found microplastics in all sediment samples from a university campus rainwater drainage system, with abundances ranging from 80 to 2,610 particles/kg and the highest concentrations in student living areas, suggesting that land use patterns and management practices influence microplastic accumulation in urban stormwater infrastructure.
Urban Microplastics Emissions: Effectiveness of Retention Measures and Consequences for the Baltic Sea
Researchers estimated that 6.7 x 10^13 microplastic particles enter the Baltic Sea annually from urban sewage pathways, with stormwater runoff accounting for 62% of emissions, and modeled scenarios showing that improved retention measures in wastewater infrastructure could substantially reduce these inputs.
Evaluation of a Modular Filter Concept to Reduce Microplastics and Other Solids from Urban Stormwater Runoff
Researchers developed and bench-tested a modular decentralized stormwater filter system using sieves, sedimentation barriers, floating barriers, and a magnetic module, demonstrating effective retention of microplastics, tire powder, and other particulate matter across a range of rain intensities.
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 in stormwater runoff: case study Vitsippsbäcken
This Swedish thesis quantified microplastic concentrations in stormwater runoff from a small urban catchment, finding that stormwater is a significant pathway for delivering microplastics to freshwater systems. Urban stormwater runoff is increasingly recognized as a major and underregulated source of microplastic pollution.
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.
Bioretention cells remove microplastics from urban stormwater
A 2-year field study characterized microplastics in urban stormwater runoff and measured how effectively a bioretention cell (a low-impact development infrastructure) removed them. The bioretention cell significantly reduced microplastic concentrations in stormwater, demonstrating its potential as a mitigation strategy for urban runoff-driven microplastic pollution.