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Microplastics and synthetic fibers in treated wastewater and sludge
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Researchers measured microplastics and synthetic fibers in both the treated effluent and sludge from a wastewater treatment plant, finding that while effluent concentrations were relatively low, sludge had very high microplastic concentrations. When sludge is applied to agricultural fields as fertilizer, it can deliver large quantities of microplastics directly to soils.
Wastewater and Biosolids Management covers a wide range of current, new and emerging topics in wastewater and biosolids. The book addresses the theoretical and practical aspect of the reuse and looks to advance our knowledge on wastewater reuse and its application in agricultural production.The book aims to present existing modern information about wastewater reuse management based on earlier literature on the one hand and recent research developments, many of which have not so far been implemented into actual practice on the other. It combines the practical and theoretical knowledge about ‘wastewater and biosolids management’ and in this sense it is useful for researchers, students, academicians as well as for professionals.ISBN 9781780408224 (Paperback)ISBN 9781780408231 (eBook)
More Papers Like This
Identification and quantification of microplastics in wastewater treatment plant effluent: Investigation of the fate and biological effects
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This study identified and quantified microplastics in wastewater treatment plant effluents and sludge, finding particles in all samples with fibers being the dominant type. The research contributes to understanding how much microplastic reaches surface waters via wastewater discharge and how much is captured in sludge that is subsequently applied to agricultural land.
Tracing the fate of microplastic in wastewater treatment plant: A multi-stage analysis of treatment units and sludge
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Researchers tracked microplastics through every stage of a wastewater treatment plant and found that while treatment removes many particles from the water, most end up concentrated in the leftover sludge. Fibers and fragments were the most common shapes, made primarily of polyester and polyethylene. Since treated sludge is often spread on farmland, this creates a pathway for microplastics to enter soil and potentially the food chain.
[Microplastics in wastewater treatment: current status and future trends].
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This review summarizes current research on microplastic occurrence, removal, and fate in wastewater treatment plants, noting that while plants capture most microplastics in activated sludge, significant numbers still escape into effluent. The sludge itself then becomes a major pathway for microplastics to enter agricultural soils when applied as fertilizer. Future treatment improvements and sludge management policies are needed to reduce these release pathways.
Characterization of Microplastics in Natural and Wastewater, and Their Influence and Removal in Biological Treatment Processes
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Scientists studied how tiny plastic particles called microplastics move through wastewater treatment plants and found that most of them end up trapped in the leftover sludge rather than in the treated water. This matters because that sludge is often used as fertilizer on farmland, meaning these plastics could be entering our soil, crops, and potentially our food supply. The researchers also developed better methods for detecting microplastics in messy samples like sludge, which is an important step toward understanding just how widespread this contamination really is.
Microplastics in sewage sludge from the wastewater treatment plants in China
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Researchers analyzed microplastics in sewage sludge from wastewater treatment plants across China, finding high concentrations of microplastics — predominantly fibers and fragments — raising concerns about their spread when sludge is applied to agricultural land.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.