Quantifying the release of tyre wear particles to the marine environment via multiple pathways

MARINE POLLUTION BULLETIN

卷:172

Article

Parker-Jurd, Florence N. F.¹  Napper, Imogen E.¹  Abbott, Geoffrey D.²  Hann, Simon³  Thompson, Richard C.¹ 

[1] Univ Plymouth, Sch Biol & Marine Sci, Plymouth PL4 8AA, Devon, England

[2] Newcastle Univ, Sch Nat & Environm Sci, Drummond Bldg, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[3] Eun Res & Consulting Ltd, 37 Queen Sq, Bristol BS1 4QS, Avon, England

关键词: Tyre wear;    Vehicle emissions;    Microplastics;    Surface runoff;    Atmospheric deposition;    Wastewater treatment;    Marine pollution;   

DOI  :  10.1016/j.marpolbul.2021.112897

来源: Elsevier

【 摘 要 】

Desk-based studies have suggested tyre wear particles contribute a substantial portion of microplastic emissions to the environment, yet few empirical studies report finding tyre wear. Samples were collected from three pathways to the marine environment: atmospheric deposition, treated wastewater effluent, and untreated surface runoff. Pyrolysis coupled to gas chromatography-mass spectrometry was used to detect benzothiazole, a molecular marker for tyres. Benzothiazole was detected in each pathway, emitting tyre wear in addition to other sources of microplastics. Release via surface water drainage was the principle pathway in the regions examined. Laboratory tests indicated larger particles likely settle close to their entry points, whereas smaller particles have potential for longer-range transport and dispersal. The previous lack of reports are likely a consequence of inadequate methods of detection, rather than a low environmental presence. Further work is required to establish distribution, transport potential, and potential impacts once within the marine environment.

【 授权许可】

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