RESEARCH / A0287
Accelerating Iron Redox Cycling via Acetate Modification: A Ligand Engineering for Sustainable Fenton-like Oxidation
Read the original paper · 10.1016/j.watres.2025.124526 ↗
Source figures may contain other techniques and soft X-ray spectra. C, N and O measurements are outside our current hard-XAFS testing range.
Fig. 3. Catalytic mechanism analysis. (a) Schematic illustration of In-situ Raman spectra experiments. (b) In-situ Raman spectra for detailed interfacial local coor dination environment of Fe3O4 (in Fig. 3b left part); analysis of the electron-donating capability of acetate (in Fig. 3b right part); and (c) Redox potential; (d) Electrochemical impedance spectroscopy for analyzing interfacial charge-transfer resistance. (e) Water contact angel tests for fresh and used Fe3O4 in Acetate-Fe3O4/ PMS system.(f) In-situ Raman spectra analysis of Fe3O4 surface interactions during acetate-modified PMS activation for CBZ degradation. (g) Fe K-edge XANES spectra, (h) FT-EXAFS spectra, (i) Fe 2p core level spectra (XPS) of fresh, and (j) surface extraction experiment of –––Fe(II) from fresh and used Fe3O4 surface in Acetate-Fe3O4/PMS system.