Research Progress on the Application of Metal Nanozymes in Water Treatment

• • Fe-Mn bimetallic peroxidase-like compound with nanoconfined zero-valent iron achieves enhanced catalytic degradation of phenolic pollutants, demonstrating the synergistic effect of bimetals in boosting oxidation efficiency (LV et al., 2024). • • Co3O4/CoFe2O4 hollow nanocube multifunctional nanozyme with oxygen vacancies enables deep-learning-assisted smartphone biosensing and organic pollutant degradation, showcasing multi-enzyme activity and sensor integration (JIANG et al., 2023). • • Single-atom manganese nanozyme mediated membrane reactor achieves water decontamination, highlighting the potential of single-atom catalysts in continuous-flow treatment systems (SUN et al., 2025). • • Nitrogen-doped bismuth ferrite nanozymes with tailored electronic structure degrade organic pollutants, indicating that doping and electronic structure engineering are critical for enhancing catalytic performance (GUO et al., 2024).