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61,005 resultsShowing papers similar to Estimation of Microplastics Emitted by Bucharest Households in Wastewater Treatment Plants
ClearMicroplastics in wastewater treatment plants of Wuhan, Central China: Abundance, removal, and potential source in household wastewater
Two wastewater treatment plants in Wuhan, China, removed 62-66% of incoming microplastics, and household sources including clothing laundering, facial cleansers, and toothpaste were identified as dominant contributors. Washing one kilogram of clothing released over 150,000 fibers, making laundry the largest single household microplastic source.
Estimation of Laundry-derived Microfiber Discharges into Wastewater: A Case Study in Hanoi City
Researchers analyzed 30 household laundry wastewater samples from Hanoi, Vietnam, finding extremely high microplastic concentrations averaging 96,296 particles per cubic meter, with fibers making up 99.6% of all particles and 12 polymer types identified.
Microplastics in Wastewater by Washing Polyester Fabrics
Researchers investigated microplastic fiber release from polyester fabrics during washing, characterizing the quantity and types of microplastics generated and their potential pathway into wastewater systems as a significant source of environmental microplastic pollution.
The significant impacts of laundry wastewater on microplastics: a case study in a residential area
Researchers measured microplastic concentrations in laundry wastewater from a residential area and tracked their contribution to urban drainage, finding that laundry effluent is a significant and underestimated source of microfibers entering municipal sewer systems and subsequently rivers.
Microplastics in wastewater: microfiber emissions from common household laundry
A household laundry study found that a 6 kg load of synthetic clothing released an average of 18 million microfibers into wastewater, with 93% of fibers under 500 micrometers in length. This is the first characterization of microfiber emissions under real household conditions, confirming laundry as a major domestic source of small microplastic pollution.
Release of primary microplastics from consumer products to wastewater in the Netherlands
Researchers estimated the release of primary microplastics from consumer products — including cosmetics, cleaning agents, and paint — into Dutch wastewater, finding sewage effluent concentrations ranging from 0.2 to 66 μg/L depending on scenario assumptions. All product categories contributed to microplastic loads reaching surface waters via sewage treatment plant effluent.
Residential houses — a major point source of microplastic pollution: insights on the various sources, their transport, transformation, and toxicity behaviour
This review highlights residential homes as a major but overlooked source of microplastic pollution, identifying personal care products, laundry, cooking, and household dust as key generators. These microplastics enter municipal wastewater and eventually reach rivers, lakes, and oceans. The authors emphasize that reducing microplastic pollution requires addressing household sources, not just industrial and wastewater treatment plant emissions.
Estimating Microplastics related to Laundry Wash and Personal Care Products released to Wastewater in Major Estonian Cities: a comparison of calculated and measured microplastics
Using substance flow analysis, Estonian researchers estimated that laundry washing and personal care products release between roughly 4 and 12 tonnes of microplastics per capita per year into the country's wastewater, with wastewater treatment plants retaining most but not all of these particles. The comparison of modeled and measured values helps validate monitoring frameworks and highlights laundry and personal care products as significant microplastic sources that need better management.
Personal Care and Cosmetic Products as a Potential Source of Environmental Contamination by Microplastics in a Densely Populated Asian City
Researchers surveyed personal care and cosmetic products sold in a densely populated Asian city for microbeads and other microplastic ingredients, documenting the extent of microbead-containing products still on the market and estimating their potential contribution to municipal wastewater microplastic loads.
Occurrence and analysis of microplastics in municipal wastewater, Poland
Researchers analyzed microplastic contamination in the influent of a large urban wastewater treatment plant in Poland and found an average of about 4 particles per liter. Textile fibers, primarily from clothing, were the most common form of microplastic detected, with polyethylene terephthalate and rubber among the dominant polymer types. The study underscores that laundry and everyday product use are significant sources of microplastic entering the water system.
Release of synthetic microplastic plastic fibres from domestic washing machines: Effects of fabric type and washing conditions
Researchers measured synthetic microfiber release from domestic washing machines in real household conditions, finding that millions of fibers are shed per wash cycle, with fiber release influenced by fabric type and wash parameters.
Textile microfibers reaching aquatic environments: A new estimation approach
Researchers developed a new estimation approach for quantifying the mass flow of textile microfibers from household laundry that ultimately reaches aquatic environments, addressing the absence of accurate models for assessing microfiber contributions to microplastic pollution. The method provides a more systematic framework for estimating the environmental load from domestic washing.
Microplásticos em água cinza
This study examined microplastic contamination in greywater (household wastewater from washing), finding that laundry and personal care product use introduce significant quantities of microplastics into domestic wastewater streams. The research highlights greywater as an underexamined pathway of microplastic release into water systems.
Approaches for Sampling and Sample Preparation for Microplastic Analysis in Laundry Effluents
Researchers reviewed sampling and sample preparation methods for analyzing microplastics in laundry effluents. The study highlights the lack of standardized methods for quantifying textile fiber microplastics released during washing and emphasizes the need for consistent analytical approaches to better understand this significant source of microplastic pollution.
Characterisation of Microplastics from the Effluent of a Municipal Wastewater Treatment Plant and from its Natural Receptor
Researchers characterized microplastics in effluent from a municipal wastewater treatment plant and in the receiving Jiu River in Romania, both upstream and downstream of the discharge point. The results show that even treated wastewater carries microplastics into surface waters, contributing to river contamination.
Wastewater treatment plant effluents as source of cosmetic polyethylene microbeads to freshwater
Using Ljubljana, Slovenia as a case study, researchers estimated how many polyethylene microbeads from cosmetics pass through a wastewater treatment plant and enter surface waters. The study found that even plants with high removal efficiency still release substantial numbers of microbeads, supporting the case for banning them from personal care products.
The contribution of washing processes of synthetic clothes to microplastic pollution
Real-scale wash trials of synthetic commercial garments measured microfiber release per wash, finding that release varied significantly with textile type, structure, and age, with some items releasing over 700,000 fibers per wash. The study quantifies the contribution of synthetic textile washing to microplastic pollution and identifies fiber characteristics that govern release rates.
Quantifying shedding of synthetic fibers from textiles; a source of microplastics released into the environment
Researchers quantified the shedding of synthetic fibers from textiles during simulated washing, finding that fabric type, age, and wash conditions significantly affected fiber release, and establishing a quantitative basis for estimating textile-derived microplastic inputs.
Microplastic pollution in aquatic environments from washing synthetic textiles
Washing synthetic textiles releases microplastic fibers into wastewater, and this study reviewed the scale of the problem and explored strategies to reduce emissions at the washing machine, garment design, and wastewater treatment levels. Textile laundering is considered one of the largest sources of microplastic fiber pollution reaching aquatic environments.
Microplastic emissions from household washing machines: preliminary findings from Greater Kuala Lumpur (Malaysia)
This study measured microplastic emissions from household washing machines in the Kuala Lumpur area, finding between 6 and 30 microplastic particles released per liter of laundry water. Household washing machines in Malaysia contribute to microplastic pollution in wastewater, consistent with findings from other parts of the world.
Identification, Quantification, and Characterization of Microplastics in Skincare and Treatment Creams: A Potential Health Concern Related to the Exposure Pathway
Researchers analyzed 21 skincare and treatment cream products for microplastic contamination and found 109 microplastic particles of various sizes, shapes, and chemical compositions, including polyethylene and polyester. They surveyed over 354 consumers in Romania about cosmetic usage habits to estimate annual exposure levels. The study assessed potential health risks from dermal contact with microplastics in cosmetic products, raising concerns about this often-overlooked exposure pathway.
Characterization of microfibers emission from textile washing from a domestic environment
Researchers found that household laundry machines release millions of microfibers per wash cycle, with top-loading machines emitting slightly more than front-loaders, and synthetic fibers accounting for only about 19% of total emissions, with the majority of fibers under 5 micrometers in length.
Quantification and morphological characterization of microfibers emitted from textile washing
Textile microfibers released during washing machine cycles were quantified and characterized, with the study finding that fiber type, fabric construction, and wash conditions all influenced emission quantities. The results confirm textile washing as a significant and ongoing source of microplastic fiber pollution in wastewater.
Microplastic Release from Domestic Washing
Researchers measured microfiber release from domestic washing of textile materials across five washing cycles, finding that the amount of microplastic fiber shed varied significantly with washing conditions and fiber type, contributing to aquatic microplastic pollution.