长江流域水体微塑料污染现状及防控措施

李天翠; 黄小龙; 吴辰熙; 郭文思

doi:10.11988/ckyyb.20210057

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raybet体育在线院报 ›› 2021, Vol. 38 ›› Issue (6) : 143-150. DOI: 10.11988/ckyyb.20210057

长江技术经济学会2020年学术年会暨长江治理与保护科技创新高端论坛专栏

长江流域水体微塑料污染现状及防控措施

李天翠¹, 黄小龙¹, 吴辰熙², 郭文思¹

作者信息 +

Microplastic Pollution in the Yangtze River Basin: Status Quo and Control Measures

LI Tian-cui¹, HUANG Xiao-long¹, WU Chen-xi², GUO Wen-si¹

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文章历史 +

摘要

微塑料污染在全球范围内受到广泛关注。综述了长江流域水体中微塑料污染的已有报道,分析了长江流域水体微塑料的空间分布和污染特征,探讨了长江流域微塑料污染的危害,并提出了相应的防控措施。结果表明:长江水体微塑料污染具有较高的空间异质性,表层水微塑料丰度在几十到几万个/m³之间,沉积物中丰度在几十到几千个/kg之间;与国内外其他流域相比,长江流域水体微塑料污染处于中等偏低的水平,湖泊和水库的微塑料丰度普遍高于河流型水体;长江流域水体微塑料以聚酯类、聚乙烯和聚丙烯为主,形态多为纤维状、碎片和薄膜状;长江流域从上游至下游水体微塑料丰度逐渐升高,且多数水体微塑料丰度呈沿岸高、中心低的分布特征。控制长江流域水体微塑料污染,需完善相关法律法规、提高污水处理能力和塑料废物的管理处置能力。

Abstract

Microplastic pollution has attracted worldwide attention. The previous reports of microplastics pollution in the Yangtze River basin are summarized, and the spatial distribution and pollution characteristics are analyzed. Moreover, the adverse impacts of microplastics pollution in the Yangtze River basin are discussed, and corresponding prevention and control measures are put forward. Microplastics pollution in the Yangtze River is highly heterogeneous in spatial scale, with the abundance of microplastics in surface water ranging from tens to tens of thousands of ind/m³ and tens to tens of thousands of ind/kg in sediments. Compared with other basins in China and abroad, the Yangtze River Basin is subjected to a medium and low pollution level of microplastics, and the abundance of microplastics in lakes and reservoirs is generally higher than that in rivers. In addition, microplastics in water are mainly polyester, polyethylene and polypropylene, and fibers, fragments and films are dominant shapes. In the Yangtze River basin, the abundance of microplastics increased gradually from the upper reaches to the lower reaches, and from bank to ashore. To control microplastic pollution in the Yangtze River basin, laws and regulations need to be improved, sewage treatment capacity and management and disposal of plastic waste should be enhanced.

导出引用

李天翠, 黄小龙, 吴辰熙, 郭文思. 长江流域水体微塑料污染现状及防控措施[J]. raybet体育在线院报. 2021, 38(6): 143-150 https://doi.org/10.11988/ckyyb.20210057

LI Tian-cui, HUANG Xiao-long, WU Chen-xi, GUO Wen-si. Microplastic Pollution in the Yangtze River Basin: Status Quo and Control Measures[J]. Journal of Changjiang River Scientific Research Institute. 2021, 38(6): 143-150 https://doi.org/10.11988/ckyyb.20210057

中图分类号： X52

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