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

Quantifying the release of tyre wear particles to the marine environment via multiple pathways.
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量化轮胎磨损颗粒通过多种途径释放到海洋环境中的情况。

DOI:
10.1016/j.marpolbul.2021.112897
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发表时间:
2021
影响因子:
5.8
通讯作者:
Parker-Jurd FNF
Parker-Jurd FNF
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Parker-Jurd FNF

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基于桌面的研究表明,轮胎磨损颗粒对环境的微塑料排放有很大贡献,但很少有实证研究报告发现轮胎磨损。样本从三条通往海洋环境的途径收集:大气沉积、经过处理的废水流出物和未经处理的地表径流。采用裂解气相色谱-质谱法对轮胎的分子标志物苯并噻唑进行了检测。在每条途径中都检测到了苯并噻唑,除了其他来源的微塑料外,还会释放出轮胎磨损。通过地表水排水释放是研究地区的主要途径。实验室测试表明,较大的颗粒物可能会在入口点附近沉降,而较小的颗粒物有可能进行更远距离的运输和扩散。以前缺乏报告可能是由于检测方法不充分,而不是环境存在的低水平造成的。需要进一步的工作来确定海洋环境中的分布、运输潜力和潜在影响。
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 wearin additionto 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.
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