Kinetics and mechanism of oxidation of hypophosphorous acid by peroxomonosulphate in acid aqueous medium

Behavioral evidence of the dominant radicals and intermediates involved in Bisphenol A degradation using an efficient Co2+/PMS oxidation process

“…This is because of the fact that the hydrolysis equilibrium of HSO 5 − take place (Eq. (10)) [33,34], leading to the subsequent chain oxidative reactions involving SO 3 •− generation (Eqs. (11)-(13)).…”

“…This is because of an immense amount of • OH suddenly generated at pH 7 and corresponding to the produced H 2 O 2 as an additional • OH source resulting from the hydrolysis of HSO 5 − under neutral conditions (Eq. (10)) [33,34], indicating that most of the spin-trapping agent oxidized to DMPOX in the absence of target organic, BPA. On the contrary, little or no intensities of DMPOX spectra can be observed in Fig.…”

“…The hydrolysis equilibrium [33,34] of HSO 5 − is also reported to take place in neutral conditions [42] as represented by Eq. (10) as follows: …”

The Kinetics and Mechanism for the Oxidation of Nicotinic Acid by Peroxomonosulfate in Acidic Aqueous Medium

“…[5][6][7] Thus it is this weak peroxide linkage (-O-O-) that undergoes cleavage during electron transfer reactions. [8][9][10][11][12][13][14][15] However, such peroxocompounds are exceptionally sensitive to the traces of metal-ions as has been observed in trace metal-ion catalysis in large number of reactions of peroxo acids.…”

Efficient decolorization of azo dye Reactive Black B involving aromatic fragment degradation in buffered Co2+/PMS oxidative processes with a ppb level dosage of Co2+-catalyst

“…The hydrolysis equilibrium [32,33] of HSO 5 − is also reported to take place in neutral conditions [34] as represented by Eq. (8) as follows: …”