KANG Pei-ying,JI Bin,WEI Ting,et al.Overview of Sources and Analysis Methods of Microplastics in Wastewater Treatment Plants[J].China Water & Wastewater,2020,36(22):29-36.
污水处理厂中微塑料的来源与分析方法
- Title:
- Overview of Sources and Analysis Methods of Microplastics in Wastewater Treatment Plants
- 摘要:
- 微塑料（Microplastics,粒径<5 mm）是人类生活生产活动中不可避免产生的一种新兴污染物质，在环境中被大量检出，来源主要包括个人护理产品的使用、洗衣过程微纤维释放、雨水径流带入等。污水处理厂作为微塑料的汇与源，在微塑料的物质流动中扮演着重要角色。伴随着污水处理厂中污水处理的工艺流程，微塑料的分布、性质也发生了改变。然而，目前还未建立关于污水和污泥中微塑料分析研究方法的标准与规范。为此，汇总了污水处理厂中微塑料的取样、预处理、检测鉴定方法，概述了污水处理厂对微塑料的去除效果及其归趋，并提出了目前存在的问题和未来的发展方向。
- Abstract:
- Microplastics (MPs) are defined as plastic smaller than 5 mm in diameter. As an emerging pollutant derived from the human daily life and industry activities, it has been widely detected in ecosystem. MPs are considered to be from the personal care and cosmetic product, synthetic fibers during washing, and urban rainwater off. Wastewater treatment plants (WWTPs) play a special role in the mass flow of MPs because it is not only one of the important point sources of MPs released into environment, but also a way of collecting and removing MPs from wastewater. During the wastewater treatment process, the manner and characteristics of the MPs have also changed. However, the standard analytical methods of MPs have not been established in worldwide. This review summarizes the updated studies of MPs behavior in WWTPs, which include sampling, sample pretreatment and MPs identification and characterization. Emphasis was placed on various MPs analyzing methodologies in the literature. The removal effect of MPs in WWTPs was also briefly summarized. Furthermore, the existing problems and future perspectives were discussed.
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