LIUJia-qi,ZHANGYong,HUDing-cheng,et al.Migration and Diffusion of Microplastics in Urban Drainage Systems[J].China Water & Wastewater,2025,41(20):35-42.
微塑料在城市排水系统中的迁移和扩散
- Title:
- Migration and Diffusion of Microplastics in Urban Drainage Systems
- Keywords:
- microplastics; drainage systems; runoff; diffusion
- 摘要:
- 微塑料作为一种常见的环境污染物，由于其体积小、分布广、吸附能力强等特点受到广泛关注。排水系统作为城市污（废）水的主要收集去除路径，对微塑料的扩散和集中处理发挥着重要作用。然而，受限于城镇排水系统的最大排水能力及管网老化等各种问题，包括微塑料在内的许多水体污染物未能得到及时的截留和富集便直接排入水体，这种现象在暴雨天气尤为显著。为此，概述了微塑料在排水系统中的分布及扩散情况，总结了微塑料对城市排水系统的影响，并对未来研究人员建立标准化的采样、分析、定量单位等进行了展望。
- Abstract:
- Microplastics (MPs), as a common environmental pollutant, have attracted extensive attention due to its small size, wide distribution, and strong adsorption capacity. As one of the main ways to remove urban pollutants, the drainage system plays an important role in the collection and centralized treatment of microplastics. However, limited by the maximum drainage capacity of urban drainage systems and the ageing of pipe networks, many pollutants, including microplastics, are discharged directly into natural water bodies without timely interception and control, especially in rainstorm weather. Therefore, this paper provides an overview of how microplastics are distributed and diffused in the drainage system, summarizes the impact of microplastics on urban drainage systems, and the future measures for researchers to establish standardized sampling, analysis and quantitative units are prospected.
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