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Membrane processes as a highly effective and eco-friendly technology for treating municipal water contaminated with micro- and nanoplastics.
Summary
Researchers evaluated membrane filtration as an environmentally friendly technology for removing micro- and nanoplastics from water, testing different membrane types and pore sizes. Membrane processes showed high removal efficiency for microplastics and outperformed conventional water treatment steps for the smallest particles.
Over the past decades, the production and consumption of plastic items have exponentially increased, leading to significant pollution in both aquatic and terrestrial environments1. Micro- and nanoplastics (MNPs), due to their small size and non-biodegradable nature, infiltrate the food chain and pose potential health risks to all living organisms. Currently, municipal water treatment plants are inadequate for removing MNPs, thus lowering the quality of water discharged into the environment. In this context, membrane technology offers a practical and promising solution for removing small plastic particles from municipal water2,3. To address this issue, water from a municipal plant was treated using an integrated membrane system (Figure 1), which combined ultrafiltration (UF) and nanofiltration (NF) processes to assess performance metrics such as permeate flux, fouling index (FI Also see: https://micro2024.sciencesconf.org/558726/document
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