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61,005 resultsShowing papers similar to Risk assessment of microplastics contamination in soil and leachate from different ages of landfill
ClearCharacterization of microplastics in soil, leachate and groundwater at a municipal landfill in Rayong Province, Thailand
Microplastics were found in soil, leachate, and groundwater at a municipal landfill in Rayong Province, Thailand, with concentrations and polymer types varying by sample matrix and proximity to the landfill, raising concerns about landfill as a source of MP groundwater contamination.
Abundance and characteristics of microplastics in soil and leachate at different zones of unsanitary landfill
Researchers investigated microplastic contamination in soil and leachate across young, middle-aged, and old zones of an unsanitary landfill. They found that fiber-shaped microplastics were most common, with PET, polypropylene, and polystyrene as the dominant polymers, and that leachate from middle-aged zones had significantly lower microplastic abundance than young or old zones. The study shows that landfill age and environmental degradation influence how microplastics are distributed between soil and leachate.
Source Apportionment of Microplastics in Environment from Sanitary Landfill: A Case Study of Muangpak Municipality Landfill, Thailand
Researchers traced the sources of microplastic contamination in and around a municipal landfill in Thailand, finding that landfill decomposition is a significant contributor of microplastics to the surrounding environment. The study suggests that better waste management practices at landfills could help reduce microplastic pollution in nearby soil and water systems.
Microplastics in Landfill Bodies: Abundance, Spatial Distribution and Effect of Landfill Age
Researchers examined microplastic distribution in landfill refuse across different age sections, finding that older landfill areas contain higher microplastic abundances, demonstrating that plastic waste progressively fragments into microplastics during long-term burial.
A study on microplastics pollution and contamination from leachate and soil in open dumpsite in Pathum Thani province, Thailand
Researchers measured microplastic contamination in leachate (liquid that drains through waste) and soil at an open dumpsite in Thailand, finding high levels of plastic particles along with toxic heavy metals and harmful chemicals like BPA and phthalates. The results show that open dumpsites are major sources of microplastic and chemical contamination that can enter groundwater and food chains.
Microplastics in landfill leachate - characteristics and common methods of identification
This review characterized microplastics in landfill leachate, covering their physical and chemical properties and the common analytical methods used for identification. Around 40% of global plastic waste ends up in landfills, making leachate a significant but understudied pathway for microplastic release into groundwater and surrounding environments.
Sources, health risks, environmental implications, and management strategies of microplastics with a focus on landfill leachate
This review examines microplastics in landfill leachate as a significant but underappreciated source of environmental contamination, covering detection methods, particle characteristics (type, size, color, shape), and the health and environmental risks of landfill leachate that enters groundwater and surface water.
Distribution and characteristics of Microplastics in leachate and underneath soil of two informal landfills
Researchers investigated microplastic distribution in leachate and underlying soils at two informal landfill sites. They found high concentrations of microplastics in both leachate and soil samples, with abundance varying by depth and landfill characteristics. The study indicates that informal landfills are significant sources of microplastic contamination that can leach into surrounding soil and potentially reach groundwater.
Effect of landfill age on the physical and chemical characteristics of waste plastics/microplastics in a waste landfill sites
Researchers examined how landfill age affects waste plastic degradation, finding that older landfills contained smaller, more fragmented microplastics with increased surface oxidation and crystallinity changes, revealing the progressive breakdown pathway of plastics in landfill environments.
Revisiting Microplastics in Landfill Leachate: Unnoticed Tiny Microplastics and Their Fate in Treatment Works
This study revisited microplastics in landfill leachate, focusing on small and previously overlooked microplastic fractions and their pathways into the environment. The analysis found a broader size range and greater diversity of microplastics in leachate than earlier studies recognized, highlighting landfills as an underappreciated source of environmental microplastic contamination.
Microplastics and Their Distribution in Soil at Municipal Solid Waste Landfills: A Review
This review investigated microplastic contamination across soil layers at urban municipal solid waste landfill sites, finding that landfill age and waste composition influence MP type and distribution. It identified landfill soils as understudied long-term MP reservoirs with potential for leaching into surrounding environments.
Occurrence of microplastics in landfill systems and their fate with landfill age
Microplastics were characterized in leachate and refuse from Shanghai landfills of varying ages (3–20 years), finding average concentrations of 8 items/L in leachate and 62 items/g in refuse, with fiber/cellophane dominant in leachate and fragment/polyethylene in refuse. The study identifies landfills as important but understudied sources of microplastic pollution in the environment.
Characteristics and Assess the Effectiveness of Microplastics in the Leachate Treatment Plants in Pathumthani, Thailand
Leachate treatment plants in Pathumthani, Thailand contained microplastics in both leachate and sludge with diverse polymer compositions and adsorbed heavy metals, with the treatment systems showing incomplete MP removal and associated soil contamination risks.
Microplastics as emergent contaminants in landfill leachate: Source, potential impact and remediation technologies
This review examines how landfills generate microplastics as buried plastic waste gradually degrades from physical, chemical, and biological processes. These microplastics enter the environment through leachate, the contaminated liquid that seeps from landfills into surrounding soil and groundwater. The authors evaluate current remediation technologies and highlight the need for better landfill management to reduce this growing source of microplastic pollution.
Pervasiveness and classification of microplastics in Landfill Leachate: Impacts, risks, and treatment efficiency
Researchers assessed microplastic contamination from the Matuail landfill in Bangladesh, finding that leachate discharged approximately 350 million particles per hour into surrounding water. Surface water and groundwater near the landfill contained even higher microplastic concentrations than the leachate itself, with fibers and fragments of polyethylene and polypropylene dominating. The study found that the existing leachate treatment facility was inefficient at removing microplastics, posing high ecological risk to surrounding water sources.
Microplastic Contamination in Landfill Leachate and Surface Water: Assessment of Wastewater Treatment Efficiency at the Nonthaburi Waste Management Center, Thailand
A study at a Thai landfill found microplastic concentrations of 174 particles per liter in leachate, with polypropylene as the dominant polymer, and showed that the on-site wastewater treatment system removed about 72% of those particles before discharge. The remaining microplastics in treated effluent and nearby surface water demonstrate that landfills are a significant and ongoing source of plastic particles to aquatic environments even when treatment systems are in place.
Microplastics in landfill leachate: Occurrence, health concerns, and removal strategies
This review examines how microplastics form and accumulate in landfill leachate, the liquid that drains from waste sites. As plastic waste breaks down in landfills, it releases microplastic particles that can contaminate surrounding soil and water. The authors assess health concerns from leachate-borne microplastics and evaluate removal strategies, highlighting an often-overlooked pathway for microplastic pollution.
The evolution and fate of waste plastics in landfills subject to physical and biochemical processes - implications for microplastics
This review examines how plastic waste in landfills is physically and biochemically transformed over time, with a focus on the conditions that generate microplastics from buried macroplastics. The authors explore implications for microplastic leaching and environmental contamination from landfill sites.
Booming microplastics generation in landfill: An exponential evolution process under temporal pattern
Researchers tracked microplastic generation in a landfill over 30-plus years, finding that MP abundance increased exponentially with the age of deposited waste rather than linearly. The exponential growth pattern suggests that aging landfills are accelerating sources of microplastic release into surrounding soils and leachate.
Exploring the abundance of microplastics in Indian landfill leachate: An analytical study
Researchers analyzed microplastics in leachate from two major landfills in India and found concentrations of 1,473 to 2,067 particles per liter, with most particles smaller than 100 micrometers. Polyethylene terephthalate, polypropylene, cellulose acetate, and PVC were the most common plastic types identified. Since landfill leachate can seep into groundwater and nearby water bodies, these findings raise concerns about microplastic contamination of drinking water sources near dump sites.
Microplastics in landfill leachate: Sources, abundance, characteristics, remediation approaches and future perspective
This review examines the sources, abundance, and characteristics of microplastics found in landfill leachate, a difficult-to-treat waste liquid that can carry pollutants into the environment. The authors highlight the urgent need for standardized microplastic analysis methods and more research into cost-effective approaches for removing microplastics from leachate before it reaches waterways.
Microplastic pollution from active and inactive landfill in Indonesia: Case study in Leuwigajah and Sarimukti Landfill
Researchers investigated microplastic contamination in leachate from both an active landfill (Sarimukti) and an inactive landfill (Leuwigajah) in Indonesia, finding microplastic concentrations ranging from 12.00 to 56.33 particles per liter. FTIR analysis identified polypropylene and polyester as the dominant polymer types, with fiber shapes most prevalent, confirming landfill leachate as a significant source of environmental microplastic pollution.
New Insights into Microplastic Contamination in Different Types of Leachates: Abundances, Characteristics, and Potential Sources
Researchers examined microplastic contamination in leachates from different types of municipal solid waste disposal facilities, moving beyond the typical focus on landfill leachate alone. The study found varying abundances and characteristics of microplastics across leachate types, identifying waste processing as a significant source of microplastic release into the environment.
Microplastics in Landfill Leachate: A Comprehensive Review on Characteristics, Detection, and Their Fates during Advanced Oxidation Processes
This review synthesizes findings on microplastics in landfill leachate, identifying it as an underappreciated environmental source of microplastic contamination generated by physical, chemical, and biological breakdown of plastic waste. The authors outline characteristics, detection methods, and pathways by which leachate-borne microplastics enter the broader environment.