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New Management Strategy Framework for Effectively Managing Microplastic in Circular System from Plastic Product Manufacturing to Waste Treatment Facility
Summary
Researchers proposed a new management strategy framework for controlling microplastic release throughout the lifecycle of plastic products, from manufacturing through end-of-life in circular economy systems, incorporating soil, atmospheric, groundwater, and river-based pollution pathways. The framework provides actionable guidance for producers, regulators, and waste managers to systematically reduce microplastic entry into land and marine environments.
In recent years, concerns regarding the environmental impact of microplastics (MPs) have led to increased international attention on these pollutants. Although the initial focus was largely directed toward marine environments, land-based pollution sources, including MP release, have been recognized to directly affect marine ecosystems. Therefore, soil-, atmosphere-, groundwater-, and river-based research is ongoing. However, when considering sources of MP, it is necessary to examine the circular system of plastic in terms of raw materials, production, consumption, discharge, and disposal (recycling). Accordingly, the present study proposes a strategy to effectively manage MPs using this circular system. First, the factors influencing MPs in the circular system were identified, and MPs at the system’s final stage, i.e., at the waste treatment facility, were subsequently investigated. Using the concept of MP waste (MPW), strategies were then developed for effective MP management within the circular system. Applying the proposed theoretical strategy to the Korean waste management system revealed that the new policy framework improves the current MP management system. Overall, this study provides fundamental data for establishing new or improved MP management schemes from a waste sector perspective.