Research demonstrates enhanced pollutant degradation using light-activated H2O2 in the presence of Fe(III)-FA complexes, indicating a novel approach for wastewater treatment.
Key Points
The study aims to improve the activation efficiency of hydrogen peroxide using Fe(III)-fulvic acid complexes under visible light.
Investigated the photochemical activation of micro-concentration hydrogen peroxide.
Characterized the Fe(III)-fulvic acid complex and its mechanisms using in-situ Raman spectroscopy.
Assessed pollutant degradation efficiency at varying pH levels and stoichiometric ratios.
Achieved over 90% degradation of bisphenol A (BPA) at a 1:1 molar ratio of H2O2 to pollutant.
Revealed two pathways for H2O2 activation involving intramolecular electron transfer and photoexcitation.
Demonstrated effective operation across a pH range from 3 to 9.