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Microplastic release by Wastewater Treatment Plants and study on ecotoxicological effects induced by virgin microbeads on zebra mussel Dreissena polymorpha
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Researchers investigated microplastic pollution sources at Slovenian coastal beaches, focusing on identifying responsible polluters through systematic debris characterization. The study linked specific plastic types and brand markings to local industrial and commercial operations, enabling targeted source reduction efforts.
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Wastewater as a Source of Microplastic Pollution: Fate and Risk on Biota
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This review examined wastewater as a primary pathway for microplastic entry into the environment, assessing the fate of particles through treatment systems and the ecological and health risks they pose to biota after discharge. Wastewater effluent and biosolid land application together represent two of the most direct routes by which MNPs reach agricultural soils and drinking water sources, making treatment plant performance central to human exposure reduction.
Release of Microplastics to the Environment Through Wastewater Treatment Plants: Study on Four Types of Wastewater Treatment Processes
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A study of six wastewater treatment plants in Iran found that all processes reduced microplastic concentrations but still released tens of thousands to hundreds of millions of particles daily, with the activated sludge process achieving the best removal efficiency of 91.87% while smallest particles (25–125 µm) consistently escaped treatment. This demonstrates that even the most effective conventional wastewater treatment cannot prevent significant microplastic discharge into receiving environments.
Microplastic Pollution in Water and Their Removal in Various Wastewater Treatment Plants
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Wastewater treatment plants remove a substantial fraction of microplastics from influent water but fall short of complete elimination, with residual particles discharged into receiving waterways and sludge applied to agricultural land. Upgrading treatment infrastructure and adding advanced filtration stages is essential to preventing microplastics from reaching drinking water sources and farmland.
Transport and fate of microplastics in wastewater treatment plants: implications to environmental health
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Researchers reviewed how wastewater treatment plants act as pathways for microplastics entering terrestrial and aquatic ecosystems, finding that treated effluents carry both microplastic particles and associated chemical and biological contaminants into the broader environment.
Prevalence of microplastics and fate in wastewater treatment plants: a review
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Researchers reviewed the sources, transport pathways, and fate of microplastics in wastewater treatment plants, finding that while treatment removes the majority of particles, daily effluent discharges still release hundreds of millions of microplastics to the environment, and COVID-19 personal protective equipment has emerged as a significant additional source.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.