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南极的废水:当地微塑料污染的来源

Nathalie Bernard¹, Lucas A M Ruberto², François Oberhaensli³

¹Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina; Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina; Radioecology laboratory, Marine Environment Laboratories, International Atomic Energy Agency, Monaco.

Marine pollution bulletin

|August 3, 2024

概括

废水处理厂是南极洲微塑料 (MPs) 的重要本地来源. 超过90%的MP小于50μm,这突显了对减缓策略的迫切需要.

科学领域:

环境科学环境科学
海洋生物学海洋生物学
污染控制污染控制

背景情况:

微塑料 (MP) 污染是一个全球性问题,南极洲是一个敏感的生态系统.
南极洲的MPs可以来自本地,也可以通过海流和风来运输.

研究的目的:

为了识别和量化来自南极洲废水处理厂 (WWTP) 的微塑料污染.
描述来自本地来源的微塑料的类型和大小.

主要方法:

使用微拉曼光谱学分析废水样本.
识别和量化微塑料颗粒.

主要成果:

废水处理厂被确定为南极洲微塑料的新型本地来源.
微粒的度在每升64至159颗微粒之间.
超过90%的已识别的MP小于50微米.
常见的聚合物包括聚乙烯,聚烯,PVC,PTFE,PET和聚烯.

结论:

污水处理厂是南极微塑料污染的重要,以前未被认可的当地来源.
小微塑料颗粒 (<50微米) 的流行需要有针对性的去除技术.
迫切需要采取政策和技术干预措施,以减轻WWTP释放的微塑料.

关键词:

在南极洲,南极洲是南极洲.聚乙烯聚乙烯的使用方法聚烯聚烯的使用方法小微塑料的微型塑料.废水处理厂的废水处理厂.

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