Fig. 2: Catalytic performance and ROS production in the Fenton-like systems.
From: Water decontamination via nonradical process by nanoconfined Fenton-like catalysts
a Removal of BPA in various reaction systems. b Cyclic performance test of nanometer catalyst. c Experimental and simulated EPR spectra for R-O• detection with 5-Diisopropoxyphosphoryl-5-methyl-1-pyrroline N-oxide (DIPPMPO) as trapping-agent (purple dots and yellow diamonds indicate the DIPPMPO-OH and DIPPMPO-CH3 adducts, respectively). d EPR analysis for 1O2 detection with 2,2,6,6-tetramethyl-4- piperidinol (TEMP) as trapping-agent (yellow hearts indicate the TEMP-1O2 adducts). e Liquid chromatography-mass spectrometry of DPAO2 from the oxidation of DPA in the Co3O4-in-CNT/PAA system (insert: the mass spectra of DPAO2). f The oxidation of FFA in the Co3O4-in-CNT/PAA system (insert: the mass balance of FFA oxidation). g Current responses after the sequential injection of PAA and BPA at different working electrodes. The error bars in the figures represent the standard deviations from triplicate tests.
