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20 resultsShowing papers similar to Investigating microplastics at two drinking water treatment plants within a river catchment
ClearOccurrence and fate of microplastics at two different drinking water treatment plants within a river catchment
Researchers investigated the occurrence and removal of microplastics at two drinking water treatment plants located on the same river in the Czech Republic. The study found that microplastics were present in raw water at both facilities and that treatment processes reduced but did not fully eliminate microplastic contamination, with removal efficiency varying by treatment technology.
Fate of microplastics in the drinking water production
Researchers tracked the fate of microplastics through drinking water treatment processes, finding that conventional treatment steps like coagulation, sedimentation, and filtration removed the majority of microplastics but did not eliminate them entirely.
Differences in the occurrence of microplastic at two technically diverse drinking water treatment plants within the same river catchment
Researchers compared microplastic occurrence in drinking water produced by two treatment plants using different technologies, finding that treatment design significantly affected which and how many microplastics remained in finished water. The results highlight the importance of treatment technology in determining consumer exposure to microplastics in tap water.
Differences in the occurrence of microplastic at two technically diverse drinking water treatment plants within the same river catchment
Researchers compared microplastic occurrence in drinking water from two technically different treatment facilities, examining how treatment technology influences the presence and type of microplastics in finished drinking water. The two plants produced water with significantly different microplastic profiles, indicating that treatment technology is a key determinant of microplastic concentrations reaching consumers.
Occurrence of microplastics in raw and treated drinking water
Researchers analyzed raw and treated water from three water treatment plants and found microplastics in all samples, though treatment reduced particle counts by roughly 70 to 80 percent. The vast majority of detected particles were smaller than 10 micrometers, a size range often missed by other studies. The findings highlight that while water treatment removes most microplastics, very small particles can still pass through conventional filtration systems.
Assessment of microplastic contamination in drinking water from an italian plant: An analytical study
Researchers analyzed microplastic contamination at multiple treatment stages in a drinking water plant in northern Italy that processes turbid river water supplemented with groundwater, quantifying particles through sedimentation, flocculation, sand filtration, activated carbon adsorption, and disinfection stages.
Microplastic occurrence after conventional and nanofiltration processes at drinking water treatment plants: Preliminary results
Researchers detected microplastics in source river water and finished drinking water at three treatment plants in the Paris region, finding that standard treatment steps including coagulation-flocculation and sand filtration reduced but did not eliminate MPs. Nanofiltration achieved higher removal rates, suggesting advanced filtration is needed for near-complete MP removal from drinking water.
Presence of microplastics in drinking water from freshwater sources: the investigation in Changsha, China
Researchers measured microplastic abundance at multiple stages of a drinking water supply chain in Changsha, China — from source freshwater through treatment to household taps — finding that water treatment reduced MP concentrations by more than 85% but tap water still contained an average of 344 particles per liter.
Microplastics in drinking water treatment – Current knowledge and research needs
This review examines the current state of knowledge about microplastics in drinking water treatment, including how treatment plants remove these particles. Researchers found that conventional treatment processes like coagulation and filtration can remove a significant portion of microplastics, but some particles still pass through to finished water. The study identifies key research gaps around the effectiveness of different treatment technologies and the health implications of residual microplastics.
Occurrence and removal of microplastics by advanced and conventional drinking water treatment facilities
Researchers evaluated the performance of both advanced and conventional drinking water treatment processes for removing microplastics, finding that advanced methods such as ultrafiltration substantially outperform standard coagulation and filtration. Most conventional treatment plants leave a meaningful fraction of microplastics in finished drinking water.
Contamination and Removal Efficiency of Microplastics and Synthetic Fibres in a Conventional Drinking Water Treatment Plant
Researchers found that a conventional drinking water treatment plant in Geneva removed the majority of microplastics from raw water, with coagulation and sand filtration contributing most to removal, though some particles persisted through to finished drinking water.
Removal of microplastics via drinking water treatment: Current knowledge and future directions
This review examines what is currently known about microplastics in drinking water systems and how well existing water treatment processes remove them. Researchers found that while conventional treatment steps like coagulation and filtration do reduce microplastic levels, significant amounts can still persist through to tap water. The study calls for more research into optimizing treatment processes and developing monitoring strategies specifically targeting microplastic contamination in drinking water.
Removal of microplastics and nanoplastics in water treatment processes: A systematic literature review
Researchers systematically reviewed 103 studies across 26 water treatment plants in 12 countries to assess how well various technologies remove microplastics and nanoplastics from drinking water, finding that while coagulation, filtration, and advanced treatments help, significant gaps remain. The review identifies that no single process achieves complete removal, leaving microplastics as a persistent contaminant in treated water supplies.
Microplastic Contamination in Drinking Water Treatment Systems: A Case Study of Bedadung River Jember
Researchers traced microplastic contamination through the Bedadung River water treatment chain in Indonesia, from intake to consumer taps, at seven sampling points. MPs were present throughout the system, with concentrations declining through treatment stages but not reaching zero, indicating residual MP exposure in treated drinking water.
Occurrence and fate of microplastics from a water source to two different drinking water treatment plants in a megacity in eastern China
Researchers tracked microplastics through two drinking water treatment plants in a major Chinese city and found that treatment removed 73-83% of microplastics from the water. However, some microplastics were still present in the treated drinking water, and chlorine disinfection actually increased polystyrene levels. The smallest particles (2-5 micrometers) were the hardest to remove, which is a concern because smaller particles may be more easily absorbed by the human body.
Assessment of microplastic contamination in drinking water from an italian plant: An analytical study
Researchers analyzed microplastic contamination in drinking water from an Italian treatment plant that processes turbid surface river water through sedimentation, flocculation, sand filtration, activated carbon adsorption, and disinfection, collecting 1-2.5 liter samples in dark glass bottles for analysis. The study characterized particle types, sizes, and polymer composition at the plant outlet to assess treatment efficacy and residual microplastic levels in finished drinking water.
Microplastic removal across ten drinking water treatment facilities and distribution systems
Researchers characterized microplastic removal across ten drinking water treatment facilities and found that conventional municipal treatment achieved greater than 97.5% removal, primarily through granular media filtration or ultrafiltration. Untreated source waters contained between approximately 1,200 and 7,200 microplastic particles per liter, with polypropylene, polyethylene, and polyamide being the most common types. The findings provide valuable data on microplastic exposure through drinking water and the effectiveness of existing treatment processes.
Tracking microplastics in a drinking water supply system proximity to industrial facilities: Occurrence, source identification, and risk assessment
Researchers comprehensively investigated microplastic occurrence, sources, and health risks in a drinking water supply system near industrial facilities, finding that a granular activated carbon filter removed 93.39% of microplastics at the treatment plant. However, microplastic abundance increased during distribution, highlighting post-treatment contamination as a critical but underappreciated exposure pathway.
Advances in analysis of microplastics in drinking water treatment plants. Fluorescence techniques using iDye Pink
Microplastics between 0.1 and 5 mm were detected at multiple stages of three drinking water treatment plants, with Nile Red fluorescence staining and spectroscopic techniques showing that while treatment reduces MP loads, particles persist into final treated water.
Performance of Conventional Drinking Water Treatment Plants in Removing Microplastics in East Java, Indonesia
This Indonesian study tested two conventional drinking water treatment plants in East Java for their ability to remove microplastics, finding that full multi-stage treatment achieved significant reduction but did not eliminate all particles. The results show that conventional water treatment partially protects consumers but may not prevent all microplastic ingestion through drinking water.