Methyl phenyl sulfoxide (PMSO) as a quenching agent for high-valent metal-oxo species in peroxymonosulfate based processes should be reconsidered

Lee, 2020, Persulfate-based advanced oxidation: Critical assessment of opportunities and roadblocks, Environ. Sci. Technol., 54, 3064, 10.1021/acs.est.9b07082 Yao, 2019, Enhanced degradation performance of bisphenol M using peroxymonosulfate activated by zero-valent iron in aqueous solution: Kinetic study and product identification, Chemosphere, 221, 314, 10.1016/j.chemosphere.2019.01.036 Yao, 2020, Fe-activated peroxymonosulfate enhances the degradation of dibutyl phthalate on ground quartz sand, Environ. Sci. Technol., 54, 9052, 10.1021/acs.est.0c00793 Yao, 2017, Enhanced degradation performance of sulfisoxazole using peroxymonosulfate activated by copper-cobalt oxides in aqueous solution: Kinetic study and products identification, Chem. Eng. J., 330, 345, 10.1016/j.cej.2017.07.155 Nosaka, 2017, Generation and detection of reactive oxygen species in photocatalysis, Chem. Rev., 117, 11302, 10.1021/acs.chemrev.7b00161 A. Lange, H.D. Brauer, On the formation of dioxiranes and of singlet oxygen by the ketone-catalysed decomposition of Caro's acid, JCS Perkin II, (1996) 805-811. Wang, 2018, Is sulfate radical really generated from peroxydisulfate activated by iron(II) for environmental decontamination?, Environ. Sci. Technol., 52, 11276, 10.1021/acs.est.8b02266 Wang, 2019, Further understanding the involvement of Fe(IV) in peroxydisulfate and peroxymonosulfate activation by Fe(II) for oxidative water treatment, Chem. Eng. J., 371, 842, 10.1016/j.cej.2019.04.101 Li, 2018, Fe(III)-doped g-C3N4 mediated peroxymonosulfate activation for selective degradation of phenolic compounds via high-valent iron-oxo species, Environ. Sci. Technol., 52, 2197, 10.1021/acs.est.7b05563 Li, 2020, Catalytic oxidation of contaminants by Fe0 activated peroxymonosulfate process: Fe(IV) involvement, degradation intermediates and toxicity evaluation, Chem. Eng. J., 382, 10.1016/j.cej.2019.123013 Wang, 2020, Relative contribution of ferryl ion species (Fe(IV)) and sulfate radical formed in nanoscale zero valent iron activated peroxydisulfate and peroxymonosulfate processes, Water Res., 172, 10.1016/j.watres.2020.115504 Zong, 2020, Unraveling the overlooked involvement of high-valent cobalt-oxo species generated from the cobalt(II)-activated peroxymonosulfate process, Environ. Sci. Technol., 54, 16231, 10.1021/acs.est.0c06808 Pestovsky, 2005, Aqueous FeIV=O: Spectroscopic identification and oxo-group exchange, Angew. Chem. Int. Ed., 44, 6871, 10.1002/anie.200502686 Zhang, 2021, Effect of metal ions on oxidation of micropollutants by ferrate(VI): Enhancing role of FeIV species, Environ. Sci. Technol., 55, 623, 10.1021/acs.est.0c04674 Sawaki, 1981, Nucleophilic oxygen atom transfer reactions by persulfoxide and persulfone, J. Am. Chem. Soc., 103, 5947, 10.1021/ja00409a072 Cheng, 2017, Non-photochemical production of singlet oxygen via activation of persulfate by carbon nanotubes, Water Res., 113, 80, 10.1016/j.watres.2017.02.016 Wilkinson, 1981, Rate constants for the decay and reactions of the lowest electronically excited singlet-state of molecular-oxygen in solution, J. Phys. Chem. Ref. Data, 10, 809, 10.1063/1.555655