Piezoelectric ultrasound transducers generate transient cavitation that removes persistent fouling from mesh filters within seconds. This strategy enables stable, ultrahigh-flux wastewater treatment while substantially reducing energy demands.
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Acknowledgements
This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (RS-2024-00406240, RS-2025-25420118).
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Park, J.C., Kim, J.H., Kim, H. et al. When bubble meets sludge. Nat Water 3, 1350–1351 (2025). https://doi.org/10.1038/s44221-025-00552-2
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DOI: https://doi.org/10.1038/s44221-025-00552-2
