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61,005 resultsShowing papers similar to Microplastics: Transport and removal at wastewater treatment plants
ClearMicroplastics: Transport and removal at wastewater treatment plants
This book chapter reviews the transport and removal of microplastics at wastewater treatment plants, summarizing efficiency data across different treatment processes. Even high-performing plants release microplastics into water bodies, making treated effluent a significant ongoing source of environmental contamination.
Microplastics in Wastewater Treatment Plants: Characteristics, Occurrence and Removal Technologies
This review summarizes how wastewater treatment plants are a major pathway for microplastics entering the environment, covering the types, sizes, and sources of microplastics found in wastewater. While treatment plants can remove many microplastics, significant amounts still escape into rivers and oceans through treated water and sludge. The authors evaluate various removal technologies and recommend advanced treatment methods to better prevent microplastics from reaching water supplies.
Microplastics in wastewater plants: A review of sources, characteristics, distribution and removal technologies
This review provides a comprehensive look at how microplastics enter, move through, and are removed from wastewater treatment plants. Researchers found that while treatment processes can remove a significant portion of microplastics from water, large quantities still escape into rivers and oceans. The study highlights the need for improved treatment technologies and better monitoring to reduce microplastic discharge from these facilities.
Fate and occurrence of microplastics in wastewater treatment plants
This review summarizes recent research on the abundance and removal of microplastics in wastewater treatment plants, examining how different treatment stages capture or release microplastic particles and assessing the overall efficiency of current infrastructure.
The fate of microplastics in wastewater treatment plants: An overview of source and remediation technologies
This review examines how wastewater treatment plants serve as key pathways for microplastic entry into the environment, analyzing removal efficiencies across different treatment stages and identifying advanced technologies for improved microplastic remediation.
Microplastics in wastewater treatment plants: Sources, properties, removal efficiency, removal mechanisms, and interactions with pollutants
This review examines microplastic sources, properties, removal efficiency, and removal mechanisms across different wastewater treatment plant stages. Researchers found that while treatment plants remove a significant portion of microplastics, they cannot eliminate them entirely, resulting in the continued release of millions of particles into the environment daily through effluent and sludge.
Microplastics in wastewater treatment systems and receiving waters
This review covers how microplastics move through wastewater treatment plants and end up in receiving water bodies, noting that conventional treatment removes most but not all microplastics. The residual microplastics discharged into rivers and oceans represent a major ongoing input into aquatic ecosystems.
Toward a Better Understanding of the Contribution of Wastewater Treatment Plants to Microplastic Pollution in Receiving Waterways
This review examines how wastewater treatment plants (WWTPs) contribute to microplastic pollution in receiving waterways, synthesizing evidence on removal efficiencies of different treatment stages and the characteristics of microplastics that escape into the environment. Researchers found that while WWTPs remove the majority of incoming microplastics, they remain a significant source of microplastic discharge due to the large volumes of wastewater processed daily.
Microplastics removal in wastewater treatment plants: a critical review
This critical review of microplastic removal in wastewater treatment plants examines removal efficiencies across different treatment stages, finding that while WWTPs remove the majority of microplastics from influent, they still release millions of particles daily and are a major pathway for microplastics entering aquatic environments.
Where do they go? A review of the wastewater treatment process and its impact on the fate of microplastics
This review examines the fate of microplastics across the physical, chemical, and biological stages of wastewater treatment plant (WWTP) processes, finding that WWTPs act as both sources and destinations for microplastics while not being designed to remove them, and surveying new removal strategies.
Evaluating wastewater effluent as a source of microplastics in environmental samples
This book chapter reviews how microplastics enter freshwater systems and wastewater treatment plants, and how these plants serve as both a partial barrier and a pathway for microplastics reaching rivers and oceans. Understanding wastewater as a vector is crucial for developing interventions that prevent microplastics from reaching ecosystems.
Microplastics in Wastewater
This review examines microplastic detection, occurrence, and removal across wastewater treatment plant stages, finding that while treatment plants are a major source of microplastic pollution, no standardized detection protocols exist and removal efficiency remains inconsistent across facilities.
Nano and microplastics occurrence in wastewater treatment plants: A comprehensive understanding of microplastics fragmentation and their removal
This review provides a comprehensive look at how nano- and microplastics move through wastewater treatment plants, from entry to discharge. Researchers examined how larger plastic particles fragment into smaller nano-sized pieces during treatment processes and evaluated which treatment stages are most effective at removing them. The study finds that while conventional treatment removes most microplastics, significant quantities of nanoplastics may still pass through into waterways.
Transport and fate of microplastic particles in wastewater treatment plants
Researchers tracked microplastic particles through multiple stages of a wastewater treatment plant, finding that particles were concentrated in sludge but that a fraction passed through each treatment stage and remained in the final effluent.
Research progress on microplastics in wastewater treatment plants: A holistic review
This review provides a holistic assessment of microplastics in wastewater treatment plants, covering sampling methods, occurrence patterns across treatment stages, removal efficiencies, and the environmental risks posed by microplastic discharge through effluent and sludge.
Influence of wastewater treatment process on pollution characteristics and fate of microplastics
Researchers investigated microplastic abundance and removal efficiency across four wastewater treatment plants using different treatment technologies, finding influent concentrations between 539 and 1,290 particles per liter that were reduced substantially by primary and secondary treatment. Smaller microplastic particles proved hardest to remove and most likely to persist in final effluent.
Occurrence, Characteristics, and Removal of Microplastics in Wastewater Treatment Plants
This review summarizes the occurrence, characteristics, and removal efficiency of microplastics in wastewater treatment plants, highlighting how these facilities simultaneously act as sinks trapping microplastics and as sources releasing them into surrounding aquatic and terrestrial environments.
A comprehensive review of microplastics in wastewater treatment plants
This review surveys microplastic removal technologies used in wastewater treatment plants, comparing membrane bioreactors, electrocoagulation, coagulation-sedimentation, and biodegradation approaches. Understanding removal efficiency at treatment plants is critical because they are a primary pathway by which microplastics — and the toxic chemicals they carry — reach rivers, coastal waters, and ultimately drinking water supplies.
Pathway, classification and removal efficiency of microplastics in wastewater treatment plants
This review summarized the sources, transport pathways, classification, and removal efficiency of microplastics in wastewater treatment plants, identifying cosmetics, textiles, tyres, and road markings as key sources. The authors highlight that WWTPs are the primary recipients of microplastics before environmental discharge and that removal remains incomplete across conventional treatment processes.
Characterization and Removal of Microplastics in Different Stages of Wastewater Treatment Plants
This review examines the types, shapes, and sizes of microplastics found in domestic and industrial wastewaters and evaluates the removal efficiency of different treatment processes across wastewater treatment plant stages, noting that no existing process achieves 100% removal.
Recent advances on microplastics pollution and removal from wastewater systems: A critical review
This review summarizes the latest research on microplastic detection, occurrence, and removal in wastewater treatment plants. While treatment plants can remove 57-99% of microplastics depending on the stage, significant amounts still escape into the environment through treated water and sludge. The findings highlight the need for advanced treatment methods to prevent microplastics from reaching waterways and ultimately human water supplies.
Improved methodology to determine the fate and transport of microplastics in a secondary wastewater treatment plant
An improved methodology was applied to track the fate and transport of microplastics through a wastewater treatment plant, measuring particle size, shape, and polymer type at multiple treatment stages. The study found that while most microplastics are removed during primary and secondary treatment, smaller particles persist into the effluent and sludge.
Effects of different treatment processes in four municipal wastewater treatment plants on the transport and fate of microplastics
Researchers investigated microplastic transport and fate across four municipal wastewater treatment plants in southeastern China, finding that different treatment processes varied in their microplastic removal efficiency, with fibers and fragments as the dominant types.
Efficiency of Wastewater Treatment Plants (WWTPs) for Microplastic Removal: A Systematic Review
This systematic review examines how well wastewater treatment plants remove microplastics before releasing water back into the environment. The findings show that while treatment plants catch many microplastics, significant amounts still pass through, meaning microplastics continue to enter rivers, lakes, and oceans that supply our drinking water and seafood.