Microplastic in Wastewater Treatment Plants
A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".
Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 2743
Special Issue Editor
Special Issue Information
Dear Colleagues,
Microplastics, a type of contaminant of emerging concern, are defined as plastic particles between 1 μm to 5 mm and have received significant attention because of their ubiquitous presence in various environmental compartments (surface water, soil, sediment, biota) worldwide. The wastewater treatment plant has been identified as one of the major sources of microplastics in both aquatic and terrestrial environments. Despite the removal of microplastics through wastewater treatment processes, evidence shows that a considerable amount of microplastics is still present in wastewater with the majority concentrated in the sludge. Sewage sludge is widely applied on agricultural land as biosolid to augment soil. Therefore, large amounts of microplastics can be transferred to the soil via the application of sludge. The presence of microplastics in wastewater and sewage sludge has raised concerns about potential risks not only to the receiving ecosystems and biota but to human health. Moreover, microplastics can be fragmented into smaller sizes (nanoplastics: 1 μm >) during treatment processes and therefore can cause nanoplastics to enter the receiving environments. However, our knowledge about the occurrence, fate, and removal of these tiny plastics is still limited. Therefore, more research is needed to better understand the occurrence and fate of micro and nanoplastics in wastewater treatment plants and approaches for sustainable removal and management.
This special issue focuses on aspects related to the presence, detection, fate, removal technologies, and management of micro and nanoplastics in wastewater treatment plants. The studies on new techniques for analysis and detection of smaller microplastics and nanoplastics in water and wastewater are also welcome.
Dr. Shima Ziajahromi
Guest Editor
Manuscript Submission Information
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Keywords
- microplastics
- nanoplastics
- wastewater
- sludge
- biosolid
- treatment
- removal
- fate
- analytical approach
