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Understanding the Flows of Microplastic Fibres in the Textile Lifecycle: A System Perspective

Beatrice Dal Pio Luogo and Gaetano Cascini ()
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Beatrice Dal Pio Luogo: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy
Gaetano Cascini: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milan, Italy

Sustainability, 2025, vol. 17, issue 19, 1-25

Abstract: Microplastics released from synthetic garments pose a complex challenge to society and the environment. Textiles contribute to microplastic pollution throughout their entire lifecycle—from design and production to washing and use to their disposal—and can enter the environment through wastewater, soil, and air. The detachment of fibre fragments and their fate in the environment has received attention in the recent literature but lacks a harmonised research methodology and a holistic approach to the topic. This work presents a model to estimate the flows of microplastic fibres and synthetic garments in geographical Europe, expressed in tonnes per year. It was developed through a search of the literature to provide an estimate of synthetic fibres entering the environment and to identify the connections between the stakeholders involved. A first-level multicriteria decision analysis was conducted to recognise relevant pollution flows: the study revealed significant but poorly understood pathways, such as the flow of microplastics in the indoor and outdoor air during garment wear. Also, the flow of microplastics from the combined sewer overflow of untreated water during heavy precipitation and the flow to the agricultural land from the application of sewage sludge result in relevant pathways to water and soil, respectively. By fostering collaboration across multiple actors, the transition toward sustainable textile practices can significantly reduce fibre pollution.

Keywords: microfiber; lifecycle analysis; textile sector; microplastics (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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