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首页> 外文期刊>Marine pollution bulletin >Sources of microplastics pollution in the marine environment: Importance of wastewater treatment plant and coastal landfill
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Sources of microplastics pollution in the marine environment: Importance of wastewater treatment plant and coastal landfill

机译：海洋环境中的微塑料污染源：废水处理厂和沿海垃圾填埋场的重要性

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This study investigated the role of a municipal wastewater treatment plant (WWTP) effluent and an abandoned coastal landfill as pathways for microplastics (MPs) input into the marine environment. MPs were first analyzed in raw sewage influent, sludge and effluent samples, and their fate was studied along a distance gradient from the WWTP in three matrices: surface water, sediments and wild mussels. All suspected MN were characterized according to their polymer nature using micro-Raman spectroscopy. The investigated WWTP had an estimated daily discharge of 227 million MPs. MPs were found in all matrices with a decreasing abundance from the effluent. Strong MPs abundances (higher than those found near the WWTP effluent) were observed in the vicinity of the coastal landfill suggesting its importance as a MPs entry route into the marine coastal environment. Our study supports the idea that blue mussels are a promising sentinel species for MPs ( < 200 mu m).
机译：这项研究调查了市政废水处理厂（WWTP）废水和废弃的沿海垃圾填埋场作为将微塑料（MPs）输入海洋环境的途径的作用。首先对原始污水进水，污泥和污水样品中的MPs进行分析，并沿距WWTP的距离梯度在三个矩阵中研究其命运：地表水，沉积物和野生贻贝。使用微拉曼光谱法根据其聚合物性质对所有可疑的MN进行表征。被调查的污水处理厂的日排放量估计为2.27亿议员。在所有基质中都发现了MP，流出物的丰度逐渐降低。在沿海垃圾填埋场附近发现了强大的MPs丰度（高于污水处理厂污水附近的MPs），表明其作为MPs进入海洋沿海环境的重要途径。我们的研究支持蓝贻贝是MPs（<200微米）很有希望的前哨物种的想法。

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