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Papers
20 resultsShowing papers similar to Analytical challenges and possibilities for the quantification of tire-road wear particles
ClearTire Wear and Pollutants: An Overview of Research
This review provides an overview of tire road and wear particles as a major source of microplastic emissions, examining both experimental and mathematical approaches to measuring tire wear. The study notes that while tire wear particles are found in alarming amounts across various environments, they remain less studied than other microplastics, and calls for more accurate simulation models to predict tire wear emissions.
Challenges in Quantifying Tire Wear Particle Emissions on an Outer Drum Test Bed
Researchers worked to develop reliable methods for measuring tire wear particle emissions on an outer drum test bed, a key challenge since tire wear is a major source of microplastics. They found that a degumming method using talcum powder increased wear rates to realistic levels but complicated particle measurements, requiring new techniques to distinguish tire particles from the powder. The study highlights the technical difficulties involved in accurately quantifying tire wear emissions for environmental assessment.
Quantification of tire wear particles in road dust based on synthetic/natural rubber ratio using pyrolysis-gas chromatography–mass spectrometry across diverse tire types
Researchers developed an improved method for measuring tire wear particles in road dust that accounts for differences in rubber composition across tire brands and types. They found that the standard ISO method, which assumes a fixed ratio of synthetic to natural rubber, can significantly misestimate tire wear concentrations. The refined approach provides more accurate measurements of this major source of microplastic pollution from road traffic.
What is known and unknown concerning microplastics from tyre wear?
This review synthesizes current knowledge on tyre wear particles (TWPs) as a major source of road-traffic microplastics, covering how particle generation, transport pathways, and environmental fate depend on tyre composition, road characteristics, and weather. A key finding is that while TWPs can be identified in environmental samples, quantifying them precisely remains difficult and expensive—a gap that must be closed to accurately assess human and ecological exposure.
Tire crumb in the environment: a review on occurrence, fate and recent advances in detection and analysis
This review provides a comprehensive assessment of tire wear particles as environmental contaminants, covering their physical and chemical properties, occurrence across environmental matrices, and detection methods. Researchers found that tire wear particles are present in air, water, and soil worldwide but remain difficult to quantify due to their variable density, aging behavior, and lack of standardized detection protocols. The study highlights the urgent need for consistent analytical methods to better understand how these particles move through and impact the environment.
Comparison of Methods for Sampling Particulate Emissions from Tires under Different Test Environments
Researchers compared different methods for sampling tire wear particle emissions under various test conditions, finding significant methodological differences that affect measurement outcomes and highlighting the need for standardized approaches as non-exhaust emissions become an increasing share of total vehicle pollution.
Comprehensive approach to national tire wear emissions: Challenges and implications
Researchers developed a comprehensive approach to estimate national tire wear emissions, which are a major source of microplastics in the environment. They found that increasing vehicle weight due to electrification trends and growing traffic volumes are driving higher emissions, while no regulations currently exist for tire wear. The study provides methods needed for tracking changes in tire-related microplastic pollution and supporting future environmental impact assessments.
Characteristics of Vehicle Tire and Road Wear Particles’ Size Distribution and Influencing Factors Examined via Laboratory Test
Researchers conducted laboratory tests to characterize the size distribution of tire and road wear particles under various conditions. The study found that factors such as driving speed, tire composition, and road surface characteristics significantly influence the size and quantity of wear particles released, which are a growing source of microplastic pollution.
Pollution from Transport: Detection of Tyre Particles in Environmental Samples
This study reviews tyre wear particles as a major but underestimated source of microplastic pollution from road transport, describing methods for detecting these particles in environmental samples including road dust, waterways, and soils. The authors call for greater regulatory attention to tyre-derived emissions alongside other transport-related pollutants.
Methods for laboratory-generation and physico-chemical characterisation of tyre wear particles
Researchers developed a lab method to generate tire wear particles using a friction machine and then identified a suite of chemical compounds that could serve as reliable markers for detecting these particles in environmental samples. Tire wear is one of the largest single sources of microplastic pollution globally, yet quantifying it in the environment has been hampered by the lack of agreed marker compounds. This work lays groundwork for standardized monitoring of tire particle pollution in soils and waterways.
Adapting Methods for Isolation and Enumeration of Microplastics to Quantify Tire Road Wear Particles with Confirmation by Pyrolysis GC–MS
Researchers adapted microplastic analysis methods for isolating and counting tire road wear particles from environmental samples, a challenging task due to the varied composition and density of these particles. They found that alkaline digestions are compatible with tire rubber but hydrogen peroxide can damage the particles, and developed visual criteria to distinguish tire particles from bitumen. The adapted methods were validated with road dust samples and confirmed by electron microscopy and pyrolysis mass spectrometry.
Analytical Investigation of Tire Induced Particle Emissions
This automotive engineering study measured the size distribution of fine dust particles (under 10 micrometers) generated by tire wear, finding that tire-derived particles represent a significant non-exhaust source of urban particulate matter. As electric vehicle adoption reduces exhaust emissions, tire and brake wear particles will become a proportionally larger component of urban air pollution. These tire wear particles are also a major source of microplastic contamination in road runoff.
Detecting the Invisible: Analytical Advances and Regulatory Gaps in Tyre and Road Wear Particle Pollution
This research review reveals that tiny particles from car tires scraping against roads make up nearly 28% of all microplastic pollution worldwide, yet we barely understand or regulate this massive source of contamination. These tire particles contain rubber, metals, and other chemicals that spread through the air we breathe and water systems, but scientists still lack consistent methods to properly detect and measure them. The study highlights an urgent need for better testing methods and pollution policies to protect human health from this largely invisible but widespread form of microplastic exposure.
On-Road Vehicle Measurement of Tire Wear Particle Emissions and Approach for Emission Prediction
An instrumented measurement vehicle was developed to quantify tire wear particle emissions under real-world on-road conditions, identifying key driving parameters such as speed, load, and cornering that govern emission rates. The study supports the development of emission factors and regulatory standards for non-exhaust tire-derived microplastic pollution.
Concentrations of tire wear microplastics and other traffic-derived non-exhaust particles in the road environment
Researchers measured actual environmental concentrations of tire wear microplastics and other traffic-derived non-exhaust particles in a rural highway setting, providing field-based data to complement the theoretical estimates that dominate current literature.
Investigation of physical and chemical properties of particulate matter caused by vehicle tire wear
Researchers characterized the physical and chemical properties of submicron tire wear particles generated from vehicle use on roadways. Using advanced analytical techniques, they identified the elemental composition and morphological structure of these particles, finding notable concentrations of metals and heavy metals. The study highlights that tire wear particles are a significant source of microplastic and chemical pollution with potential implications for human health and the environment.
Tyre and road wear particles (TRWP) - A review of generation, properties, emissions, human health risk, ecotoxicity, and fate in the environment
This comprehensive review compiles current knowledge on tyre and road wear particles, which are generated during driving and contribute to both airborne emissions and microplastic pollution. Researchers found that per-capita tyre wear emissions range from 0.2 to 5.5 kilograms per person per year, with particles ending up in soils, waterways, and the air. While the risk from inhaling these particles appears low, the potential health effects from ingesting them through the food chain remain largely unknown.
An overview of the key topics related to the study of tire particles and their chemical leachates: From problems to solutions
Researchers reviewed the current state of knowledge on tyre wear particles — rubber fragments shed by vehicles that are a major source of microplastic pollution — identifying key gaps in emissions estimates, detection standards, and understanding of the toxic chemicals that leach from tyre rubber into the environment. The review calls for closer collaboration between scientists, regulators, and the tire industry to develop solutions that reduce the environmental and health impacts of tyre pollution.
Microplastics from tyre and road wear A literature review
This literature review examines microplastics generated from tire and road wear, identifying road traffic as a significant but often overlooked source of plastic pollution in urban runoff and waterways. The authors assess what is known about tire particle composition, environmental fate, and potential ecological effects.
Development of a parametrized and regionalized life cycle inventory model for tire and road wear particles
Researchers developed a detailed model for estimating tire and road wear particle emissions, a major but often overlooked source of microplastics from vehicle traffic. The model accounts for nine key factors including road texture, driving behavior, temperature, and tire type, and can generate estimates at both individual vehicle and national scales. The study found that road surface roughness, aggressive driving, and wet conditions are the biggest drivers of large particle emissions, while temperature and vehicle load most affect fine particle release.