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A Survey of Microplastics in Wastewater Treatment Plant Effluent in the Lake Champlain Basin
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Researchers surveyed microplastic concentrations in wastewater treatment plant effluent across the Lake Champlain Basin, using acid-peroxide digestion to prepare samples for quantification of MP loads entering the watershed.
Robert Fuller for demonstrating safe practices in the inaugural run of the acid-peroxide digestion, as
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Microplastics from Wastewater Treatment Plants—Preliminary Data
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Preliminary analysis of effluent from two Portuguese wastewater treatment plants detected microbeads, fibers, and fragments in treated wastewater being discharged into receiving waters, confirming that conventional treatment processes do not fully remove microplastics. Wastewater treatment plants are therefore a significant and ongoing point-source pathway for microplastic pollution entering rivers, estuaries, and eventually the ocean.
Discharge of Microplastics from Wastewater Treatment Plants
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This review pulls together existing research showing that wastewater treatment plants don't fully filter out microplastics, allowing common plastics (like those from packaging and textiles) to flow into rivers, oceans, and the fish and other organisms living there. Areas with more people tend to have more microplastic pollution, and these tiny plastic particles are increasingly turning up in the human body, though scientists are still working out exactly how much and how it affects our health.
Occurrence and Removal of Microplastics in Wastewater Treatment Plants
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Researchers reviewed how microplastics accumulate in wastewater treatment plants and how effectively current treatment technologies remove them, finding that while plants capture most microplastics, significant quantities still pass through into receiving waterways with each discharge cycle.
Wastewater Treatment Plants as Hotspots of Microplastic Pollution
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This review characterizes wastewater treatment plants as hotspots of microplastic pollution, documenting how these facilities receive, partially retain, and release large quantities of microplastics into aquatic environments. The incomplete removal of microplastics by wastewater treatment plants means treated effluent remains a major source of pollution in rivers and coastal waters, sustaining the cycle of environmental contamination and human dietary exposure.
Evaluation of Microplastic Abundance and Removal in Wastewater Treatment Plant Processes
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Researchers evaluated how effectively wastewater treatment plants remove microplastics before releasing water into the environment, finding that while some removal occurs, treatment plants were never designed for this purpose and remain a significant pathway for microplastics to enter aquatic and terrestrial ecosystems.
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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.