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Tire Abrasion as a Major Source of Microplastics in the Environment

Aerosol and Air Quality Research, 2018-08, Vol.18 (8), p.2014-2028 [Peer Reviewed Journal]

ISSN: 1680-8584 ;EISSN: 2071-1409 ;DOI: 10.4209/aaqr.2018.03.0099

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  • Title:
    Tire Abrasion as a Major Source of Microplastics in the Environment
  • Author: Sommer, Frank ; Dietze, Volker ; Baum, Anja ; Sauer, Jan ; Gilge, Stefan ; Maschowski, Christoph ; Gieré, Reto
  • Is Part Of: Aerosol and Air Quality Research, 2018-08, Vol.18 (8), p.2014-2028
  • Description: Traffic-related non-exhaust particulate matter mainly consists of tire wear, brake wear, and road wear. For this study, passive-samplers were placed near highly frequented roads in industrial, agricultural, and urban environments with the aim of collecting and characterizing super-coarse (＞ 10 μm) airborne particles. Single-particle analysis using SEM-EDX was conducted on more than 500 particles with nearly 1500 spectra to determine their size, shape, volume, and chemical composition. The ambient aerosol near all studied roads is dominated by traffic-related abrasion particles, amounting to approximately 90 vol%. The majority of the particles were composites of tire-, road-, and brake-abrasion material. The particle assemblages differed in size distribution, composition, and structure depending on driving speed, traffic flow, and traffic fleet. Our study documents that tire wear significantly contributes to the flux of microplastics into the environment. A decrease in the release of this abrasion material, however, is unlikely in the near future.
  • Publisher: 社團法人台灣氣膠研究學會
  • Language: English
  • Identifier: ISSN: 1680-8584
    EISSN: 2071-1409
    DOI: 10.4209/aaqr.2018.03.0099
  • Source: DOAJ Directory of Open Access Journals
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