文献类型：期刊文献

英文题名：How to detect small microplastics (20?100?m) in freshwater, municipal wastewaters and landfill leachates? A trial from sampling to identification

作者：Xu, Ziqian[1];Sui, Qian[1,4];Li, Aimin[2];Sun, Ming[2];Zhang, Liang[2];Lyu, Shuguang[1,4];Zhao, Wentao[3]

机构：[1]East China Univ Sci & Technol, Sch Resources & Environm Engn, State Environm Protect Key Lab Environm Risk Asse, Shanghai 200237, Peoples R China;[2]Perkin Elmer Inc, Shanghai 201203, Peoples R China;[3]Tongji Univ, Coll Environm Sci & Engn, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China;[4]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China

年份：2020

卷号：733

外文期刊名：SCIENCE OF THE TOTAL ENVIRONMENT

收录：;EI(收录号：20202008657920);WOS:【SCI-EXPANDED(收录号:WOS:000540271100036)】；

基金：This research was partly supported by the National Natural Science Foundation of China (21777042, 21577033, and 51408425), the Major Science and Technology Programfor Water Pollution Control and Treatment in China (2017ZX07202006), the Fundamental Research Funds for the Central Universities and Beijing Key Laboratory for Emerging Organic Contaminants Control.

语种：英文

外文关键词：Leachate treatment - Water

摘要：The quantification of microplastics (MPs), especially small MPs (20–100 μm), in freshwater environment and wastewaters is a great challenge due to the complexity of environmental compartment. In the present study, a novel method based on the optimization of sampling, pretreatment, and detection was developed for small MPs (20–100 μm) in freshwater and wastewaters. A customized plankton sampler was installed to efficiently collect MPs and avoid sampler clogging; a novel dual filter system simplified the pretreatment, achieving full examination for small MPs in the samples. The recoveries of small MPs at environmental abundance, which were specified for the first time, verified the feasibility of the developed method. The method was successfully applied for small MPs detection in river, municipal wastewaters and landfill leachates, demonstrating a large bias in the determination of MPs if small MPs were not involved in quantification. To the authors' knowledge, it is the first study that realized the determination of such small MPs in the high-strength wastewater, i.e. landfill leachates. ? 2020