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61,005 resultsShowing papers similar to Performance of Powdered Activated Carbon Adsorption/Membrane Filtration System for Treating the River Water with a High Particulates and Natural Organic Matters
ClearEffects of Permeate Flux in Adsorption/Coagulation-Membrane Filtration System for Removing Turbid Matter and Humic Acid from River Water
Researchers investigated the effects of varying permeate flux in an adsorption/coagulation-membrane filtration system designed to remove turbid matter, humic acid, and microplastics from river water intended for drinking. They found that permeate flux significantly influenced membrane fouling rates and removal efficiency of natural organic matter and colloidal particles, informing operational optimization of this combined treatment approach.
Comparison Study of Macropollutant Removal in River Water Using Conventional Treatment and Nanofiber Membrane-Based System
This study compared conventional water treatment and a nanofiber membrane system for removing nitrate and phosphate from river water, with the membrane system achieving better removal. Advanced membrane filtration technology also shows promise for removing microplastics from water, making this type of water treatment research broadly relevant.
Gac공정의 미세플라스틱과 유기물제거에 따른 공탑체류시간의 영향
Researchers evaluated the effect of empty bed contact time on granular activated carbon filtration performance for removing both microplastics and natural organic matter from river water, conducting batch and continuous experiments to assess GAC as a treatment option for these co-occurring micropollutants.
Conventional and biological treatment for the removal of microplastics from drinking water
Researchers examined microplastic removal by a full-scale drinking water treatment plant, finding that conventional coagulation-flocculation-filtration processes and biological filters with granular activated carbon effectively reduced microplastic concentrations in treated water.
Effects of Filtration Velocity of Sand Filter Beds on Microparticulate and Natural Organic Matter Removal from River Water
Researchers conducted batch and continuous filtration experiments to evaluate the performance of sand filter beds at filtration velocities between 1.5 and 3.0 m/h for removing microparticulates including microplastics and natural organic matter from river water. They found that sand filters achieved greater than 70% removal efficiency for microparticulates and turbidity but less than 5% removal for natural organic matter including total organic carbon, 2-methylisoborneol, and geosmin.
Submerged membrane/adsorption hybrid process in water reclamation and concentrate management—a mini review
Researchers review how combining membrane filtration with adsorption — a process where pollutants stick to a material's surface — creates a hybrid water treatment system that outperforms either method alone. This integrated approach is particularly effective at removing hard-to-treat organic pollutants from wastewater, including trace pharmaceuticals and industrial chemicals that conventional treatment misses.
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.
Effects of a Granular Activated Carbon Bed Coupled with a Membrane Filtration Process on the Treatment Characteristics of Microplastics in Sewer Pipes
Researchers analyzed the behavior of microplastics in combined sewage overflow treatment using a granular activated carbon (GAC) bed coupled with membrane filtration (MF) in sewer pipe systems. The study evaluated removal efficiency under real rainfall conditions averaging 13.5 mm precipitation over 9.1 hours, characterizing how hazardous substances associated with diverse microplastic sources accumulate and are treated in the combined system.
Impact of Cleaning on Membrane Performance during Surface Water Treatment: A Hybrid Process with Biological Ion Exchange and Gravity-Driven Membranes
This paper is not about microplastics — it studies how physical and chemical cleaning methods affect the flux and permeate quality of ceramic and polymeric membranes used in a hybrid biological ion exchange and gravity-driven membrane system for treating river water.
Tracking microplastic-derived dissolved organic matter in the adsorption of its mixtures with natural organic matter via end-member mixing analysis
Researchers investigated how dissolved organic matter released by microplastics interacts with natural organic matter during adsorption onto kaolinite and activated carbon. The study found that microplastic-derived organic matter adsorbed less efficiently than natural organic matter, and when mixed together, non-linear adsorption patterns emerged, suggesting that microplastic-derived compounds can interfere with natural water treatment processes.
Development of Tannic Acid Coated Polyvinylidene Fluoride Membrane for Filtration of River Water Containing High Natural Organic Matter
Researchers developed a tannic acid-coated polyvinylidene fluoride membrane for filtering natural organic matter from river water intended for drinking water use. The study found that the tannic acid and iron coating improved anti-fouling properties and effectively removed natural organic matter, offering a membrane-based solution for improving drinking water quality.
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.
Adsorption of heavy metal onto biomass-derived activated carbon: review
This review summarizes how activated carbon made from plant-based materials can be used to remove heavy metals from polluted water. Since microplastics in water often carry and concentrate heavy metals on their surface, improving our ability to filter these combined contaminants is important for protecting drinking water and human health.
Index
This is an index page from a reference book on water treatment and environmental remediation, listing key topics including activated carbon adsorbents used to remove contaminants from water. Adsorption-based treatment methods are among the approaches studied for microplastic removal from drinking water.
Efficient removal of microplastics through a combined treatment process: Pre-filtration and adsorption
A combined treatment process integrating coagulation, sedimentation, and filtration achieved efficient removal of microplastics from drinking water. The study supports the feasibility of adapting existing water treatment infrastructure to address microplastic contamination.
Differences in removal rates of virgin/decayed microplastics, viruses, activated carbon, and kaolin/montmorillonite clay particles by coagulation, flocculation, sedimentation, and rapid sand filtration during water treatment
This study compared removal of virgin and degraded microplastics, viruses, activated carbon, and clay particles by coagulation, flocculation, sedimentation, and sand filtration in drinking water treatment, finding that removal efficiency varied substantially by particle type and that aged microplastics were harder to remove than virgin ones due to surface charge differences.
Development and evaluation of a water treatment system for the removal of microplastics in an aqueous medium.
Researchers developed and evaluated a water treatment system for removing microplastics from aqueous media, addressing the urgent environmental concern of microplastic contamination in rivers, seas, and oceans and assessing the system's effectiveness as a promising water purification technology.
Microplastics removal efficiency of drinking water treatment plant with pulse clarifier
Researchers evaluated how well a drinking water treatment plant using pulse clarification technology removes microplastics from river water sourced from the Ganges. Raw water contained about 18 microplastics per liter, and the treatment process removed 85% of them, with sand filtration being the most effective step. The study found that fibers and films were the most common microplastic shapes, and machine learning analysis revealed strong links between microplastic levels and water quality indicators like turbidity.
Transport behavior of nanoplastics in activated carbon column
Researchers investigated the transport and retention of nanoplastics through granular activated carbon columns used in drinking water treatment. Nanoplastics were partially retained in activated carbon but their behavior depended on particle surface charge and solution chemistry, with implications for drinking water safety.
Understanding and Improving Microplastic Removal during Water Treatment: Impact of Coagulation and Flocculation
Researchers systematically tested coagulation and flocculation for removing microplastics from drinking water, finding that removal efficiency depended strongly on plastic particle size and whether particles had been weathered, with smaller pristine particles being the hardest to remove.
Removal of Microplastics in a Hybrid Treatment Process of Ceramic Microfiltration and Photocatalyst-Mounted PES Spheres with Air Backwashing
Researchers developed a hybrid water treatment system combining ceramic microfiltration with photocatalyst-coated spheres and air backwashing to remove microplastics and organic matter. The combined system achieved higher removal rates for both microplastics and dissolved organic compounds than any single treatment method alone. The study demonstrates a promising approach for upgrading existing water treatment facilities to better handle microplastic contamination.
Microplastics in river water: occurrence, weathering, and adsorption behaviour
Researchers examined microplastics in river water, characterizing their occurrence, degree of weathering, and capacity to adsorb co-contaminants. The study highlights microplastics as vectors that can transport and re-release other pollutants in freshwater systems.
Analysis of membrane surface after the filtration of surface water containing microplastic
Researchers tested ultrafiltration and nanofiltration membranes on real river water containing microplastics and found both membrane types completely removed plastic particles from the filtered water, though the deposited microplastics reduced water flow through the membranes over time — confirming membrane filtration as an effective but imperfect water treatment strategy.
Effectiveness of Microplastic Removal from River Water Using Conventional and Ultrafiltration Techniques: Correlation with Physicochemical Parameters
This study compared conventional and ultrafiltration water treatment methods for removing microplastics from river water in Indonesia, finding that ultrafiltration achieved significantly higher MP removal efficiencies, suggesting it as a more effective option for addressing MP contamination in drinking water.