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- W4386295511 endingPage "122399" @default.
- W4386295511 startingPage "122399" @default.
- W4386295511 abstract "Tire wear is one of the major sources of traffic-related particle emissions, however, laboratory data on the components of tire wear particles (TWPs) is scarce. In this study, ten brands of tires, including two types and four-speed grades, were chosen for wear tests using a tire simulator in a closed chamber. The chemical components of PM2.5 were characterized in detail, including inorganic elements, water-soluble ions (WSIs), organic carbon (OC), elemental carbon (EC), and polycyclic aromatic hydrocarbons (PAHs). Inorganic elements, WSIs, OC, and EC accounted for 8.7 ± 2.1%, 3.1 ± 0.7%, 44.0 ± 0.9%, and 9.6 ± 2.3% of the mass of PM2.5, respectively. The OC/EC ratio ranged from 2.8 to 7.6. The inorganic elements were dominated by Si and Zn. The primary ions were SO42- and NO3-, and TWPs were proven to be acidic by applying an ionic balance. The total PAHs content was 113 ± 45.0 μg g-1, with pyrene being dominant. In addition, the relationship between the chemical components and tire parameters was analyzed. Inorganic elements and WSIs in TWPs were more abundant in all-season tires than those in winter tires, whereas the content of PAHs was the opposite. The mass fractions of OC, Si, and Al in the TWPs all showed increasing trends with increasing tire speed grade, but the PAHs levels showed a decreasing trend. Ultimately, to provide more data for further research, a TWPs source profile was constructed considering the tire weighting factor." @default.
- W4386295511 created "2023-08-31" @default.
- W4386295511 creator A5015353106 @default.
- W4386295511 creator A5022076595 @default.
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- W4386295511 creator A5054600006 @default.
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- W4386295511 creator A5077956412 @default.
- W4386295511 creator A5081428042 @default.
- W4386295511 creator A5084381764 @default.
- W4386295511 date "2023-11-01" @default.
- W4386295511 modified "2023-10-13" @default.
- W4386295511 title "Chemical characteristics of fine tire wear particles generated on a tire simulator" @default.
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- W4386295511 doi "https://doi.org/10.1016/j.envpol.2023.122399" @default.