School of Ocean Science and Technology, Dalian University of Technology, NO.2 Dagong Road, New District of Liaodong Bay, Panjin City, Liaoning Province, 124221, China.
School of Ocean Science and Technology, Dalian University of Technology, NO.2 Dagong Road, New District of Liaodong Bay, Panjin City, Liaoning Province, 124221, China.
Chemosphere. 2020 Aug;252:126493. doi: 10.1016/j.chemosphere.2020.126493. Epub 2020 Mar 13.
Microplastics as new emerging pollutants in aquatic environments have received much attention in recent years. However, up to now, microplastic contamination in tap water has only been investigated by few studies. Therefore, this study investigated the presence of microplastics in tap water. 38 tap water samples were taken at different cities of China. The amount of microplastics in tap water varied from 440 ± 275 particles L. Particles smaller than 50 μm significantly predominated in most of the tap water samples. Further, according to the shape of these particles, fragments, fibers and spheres were found in tap water samples, while fragments were the most abundant morphotype in most samples. Despite these particles were identified as 14 different materials by micro-Raman spectroscopy, the majority of the microplastics comprised of polyethylene and polypropylene. Based on this investigation, drinking water treatment plants seemingly have to face the problem of microplastic pollution in tap water due to their potential eco-toxicological effects on humans.
近年来，作为新型新兴污染物的微塑料在水生环境中受到了广泛关注。然而，到目前为止，只有少数研究调查了自来水中的微塑料污染。因此，本研究调查了自来水中微塑料的存在情况。采集了中国不同城市的 38 个自来水样本。自来水中微塑料的数量从 440 ± 275 个颗粒/L 不等。大多数自来水中的颗粒明显以小于 50 μm 的颗粒为主。此外，根据这些颗粒的形状，在自来水中发现了碎片、纤维和球体，而在大多数样本中，碎片是最丰富的形态。尽管通过微拉曼光谱鉴定了这些颗粒为 14 种不同的材料，但大多数微塑料由聚乙烯和聚丙烯组成。基于这项调查，由于其对人类潜在的生态毒性影响，饮用水处理厂似乎不得不面对自来水中的微塑料污染问题。
