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Aquatic Microplastic Pollution: Occurrence and Removal

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: 25 October 2025 | Viewed by 533

Special Issue Editor

State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, China
Interests: plastic; microplastic; photodegradation; dissolved organic carbon; biogeochemisty; photochemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Microplastic pollution has emerged as a critical environmental issue, posing potential risks to aquatic ecosystems, biodiversity, and human health. Despite growing research efforts, knowledge gaps remain regarding the sources, transport, transformation, and ultimate fate of microplastics in the aquatic environment. Additionally, the effectiveness of existing removal technologies and the development of innovative strategies for mitigating microplastic pollution in aquatic environments require further exploration.

This Special Issue aims to advance our understanding of microplastic occurrence, behavior, and removal techniques in various aquatic environmental compartments, such as freshwater, rivers, estuaries, coasts, and oceans. We welcome original research and review articles on topics such as advanced microplastic detection and quantification, environmental fate and impacts, removal technologies, biodegradation potential, and policy implications. Contributions addressing interdisciplinary approaches and novel solutions for aquatic microplastic pollution management are highly encouraged.

Dr. Lixin Zhu
Guest Editor

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Keywords

  • microplastic pollution
  • environmental fate
  • removal technologies
  • wastewater treatment
  • biodegradation
  • risk assessment
  • mitigation strategies
  • plastic waste management
  • polymer degradation
  • policy and regulation

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Published Papers (1 paper)

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Review

19 pages, 1868 KiB  
Review
Drinking Water Network as a Potential Pathway for Micro- and Nanoplastics Exposure to Human: A Mini Review
by Yecang Chen, Yi Wang, Bo Hu and Lei Su
Water 2025, 17(8), 1188; https://doi.org/10.3390/w17081188 - 15 Apr 2025
Viewed by 466
Abstract
The risk of human exposure to micro- and nanoplastics (MNPs) has received increasing attention in recent years. Consumption of drinking water is a significant route of exposure to MNPs. While previous studies focus on MNPs in treated wastewater or final effluent, research addressing [...] Read more.
The risk of human exposure to micro- and nanoplastics (MNPs) has received increasing attention in recent years. Consumption of drinking water is a significant route of exposure to MNPs. While previous studies focus on MNPs in treated wastewater or final effluent, research addressing drinking water networks (DWNs) as potential secondary sources of MNPs remains sparse. However, how DWN, a critical component transporting water from treatment plants to consumers, contributes to secondary contamination remains underexplored in existing studies. We extracted keywords from reviewed literature using bibliometric methods and conducted correlation analyses, revealing four research clusters: baseline detection, health assessments, nanoplastic, and treatment. The abundance of MNPs in DWN ranged from 0.01 to 1.4 items/L. The abundance varied between 679.5 and 4.5 × 107 items/kg when calculated based on sample mass (in scales or debris). Based on the shape and polymer composition of MNPs, the DWN is strongly suspected to contribute to the secondary contamination of MNPs in tap water. We also reviewed the main mechanisms for the formation and release of MNPs in pipelines, including mechanical forces, water hammer effects, and chemical aging. Our review highlighted the current gaps in the research on potential MNP contamination in the DWN. It will contribute to understanding the contribution of the DWN to MNP contamination and provide a framework for future monitoring and research efforts. Full article
(This article belongs to the Special Issue Aquatic Microplastic Pollution: Occurrence and Removal)
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