Czech Republic | A breakthrough metal-free photocatalytic material shows unprecedented efficiency in degrading antibiotics, pharmaceuticals, and chemical residues that bypass conventional wastewater treatment plants. Developed across a collaborative regional scientific network, the innovation targets dangerous pharmaceutical runoff before it contaminates natural river ecosystems.Activated by ordinary visible light and ultraviolet radiation, the chemically stable, graphitic carbon nitride material triggers advanced chemical reactions that break down stubborn organic pollutants. Controlled laboratory testing demonstrated that the material successfully eradicated over 95% of the antibiotic ofloxacin and the anti-inflammatory drug diclofenac within two hours, while achieving an 80% elimination rate for caffeine. Utilizing high-resolution liquid chromatography and mass spectrometry, analytical chemists tracked the degradation pathways to ensure the reaction byproducts pose significantly lower ecological risks than the initial drugs. The findings open new frontiers for safe, scalable environmental technologies capable of securing cleaner aquatic environments.
Ource: Palacký University Olomouc
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