Fig. 3: Catalytic Fenton-like reaction for pollutant removal and mechanistic investigation. | Nature Communications

Fig. 3: Catalytic Fenton-like reaction for pollutant removal and mechanistic investigation.

From: Nanoconfinement-triggered oligomerization pathway for efficient removal of phenolic pollutants via a Fenton-like reaction

Fig. 3

a Removal of phenol versus time in different systems and (b) EPR signals by using DMPO as the trapping agent in UiO-66-NH2-(Zr/Fe)+H2O2 and UiO-66-NH2-(Zr/Fe)/GA + H2O2 systems at reaction time of 5 min. Conditions: initial pH = 5.0 ± 0.2, [H2O2] = 6 mM, [Catalyst] = 100 mg·L−1, and [phenol] = 100 μM. c Removal of HQ in GA, UiO-66-NH2-(Zr/Fe), and UiO-66-NH2-(Zr/Fe)/GA systems without H2O2. d HPLC chromatograms for UiO-66-NH2-(Zr/Fe)/GA + HQ at different reaction time. e Removal of phenol by UiO-66-NH2-(Zr/Fe)/GA + H2O2 at different phenol initial concentrations. f Chronoamperometry with UiO-66-NH2-(Zr/Fe)/GA as the working electrode (inset: magnified spectra). Conditions: pH = 5.0 ± 0.2, voltage = +0.8 V (vs Ag/AgCl). The experiments have been carried out in triplicate, and the averaged values with standard deviations as error bars are reported.

Back to article page