文献类型：期刊文献

英文题名：New Insights into Microplastic Contamination in Different Types of Leachates: Abundances, Characteristics, and Potential Sources

作者：Zhang, Lei[1];Zhao, Wentao[2,3];Zhang, Liang[4];Cai, Zhenxiao[5];Yan, Ruiqi[1];Yu, Xia[1];Barcelo, Damia[6];Sui, Qian[1,3]

机构：[1]East China Univ Sci & Technol, Sch Resources & Environm Engn, State Environm Protect Key Lab Environm Risk Asses, Shanghai 200237, Peoples R China;[2]Tongji Univ, Coll Environm Sci & Engn, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China;[3]Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China;[4]PerkinElmer Inc, Shanghai 201203, Peoples R China;[5]Maihai Environm Protect Technol Co Ltd, Suzhou 215000, Jiangsu, Peoples R China;[6]Spanish Council Sci Res IDAEA CSIC, Inst Environm Assessment & Water Res, Dept Environm Chem, Barcelona 08034, Spain

年份：2024

卷号：37

起止页码：62

外文期刊名：ENGINEERING

收录：;EI(收录号：20242516296112);WOS:【SCI-EXPANDED(收录号:WOS:001283088700001)】；

基金：Acknowledgments This work was partly supported by the National Key Research and Development Program of China (2023YFC3711600) , the National Natural Science Foundation of China (22076045 and 22376066) , the Shanghai Talent Development Funding, and the Shanghai Youth Talent Support Program.

语种：英文

外文关键词：Microplastics; Landfill leachate; Residual waste leachate; Household food waste leachate; Source

摘要：Municipal solid waste (MSW) is an important destination for abandoned plastics. During the waste disposal process, large plastic debris is broken down into microplastics (MPs) and released into the leachate. However, current research only focuses on landfill leachates, and the occurrence of MPs in other leachates has not been studied. Therefore, herein, the abundance and characteristics of MPs in three types of leachates, namely, landfill leachate, residual waste leachate, and household food waste leachate, were studied, all leachates were collected from the largest waste disposal center in China. The results showed that the average MP abundances in the different types of leachates ranged from (129 +/- 54) to (1288 +/- 184) MP particles per liter (particles L-1) and the household food waste leachate exhibited the highest MP abundance (p < 0.05). Polyethylene (PE) and fragments were the dominant polymer type and shape in MPs, respectively. The characteristic polymer types of MPs in individual leachates were different. Furthermore, the conditional fragmentation model indicated that the landfilling process considerably affected the size distribution of MPs in leachates, leading to a higher percentage (> 80%) of small MPs (20-100 lm) in landfill leachates compared to other leachates. To the best of our knowledge, this is the first study discussing the sources of MPs in different leachates, which is important for MP pollution control during MSW disposal. (c) 2024 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).