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  • Title: Degradation mechanism of microplastics and potential risks during sewage sludge co-composting: A comprehensive review.
    Author: Sun X, Anoopkumar AN, Madhavan A, Binod P, Pandey A, Sindhu R, Awasthi MK.
    Journal: Environ Pollut; 2023 Sep 15; 333():122113. PubMed ID: 37379875.
    Abstract:
    Microplastics (MPs) as a kind of emerging contaminants, widely exists in various kinds of medium, sewage sludge (SS) is no exception. In the sewage treatment process, a large number of microplastics will be deposited in SS. More seriously, microplastics in sewage sludge can migrate to other environmental media and threaten human health. Therefore, it is necessary to remove MPs from SS. Among the various restorations, aerobic composting is emerging as a green microplastic removal method. There are more and more reports of using aerobic compost to degrade microplastics. However, there are few reports on the degradation mechanism of MPs in aerobic composting, hindering the innovation of aerobic composting methods. Therefore, in this paper, the degradation mechanism of MPs in SS is discussed based on the environmental factors such as physical, chemical and biological factors in the composting process. In addition, this paper expounds the MPs in potential hazards, and combined with the problems in the present study were studied the outlook.
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