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Effect of (a) MeOH and
(b) NOM on the rate of 4-CP degradation
by PMS activated on TNTs except for bare TNT. (c) EPR spectra obtained
in the aqueous BMPO and PMS with TNTs. (d) Schematic illustrations
for radical pathway on Co-Black TNT (left) and nonradical pathway
on Black TNT (right) for 4-CP degradation. (c) EPR spectra obtained
the aqueous BMPO and PMS with TNTs (1 min after PMS activation). [4-CP]0 = 100 μM (for a); [MeOH]0 = 100 mM (for
a); [NOM]0 = 10 ppm (for b); [BMPO]0 = 0.15
mM (for c); [PMS]0 = 1 mM; [phosphate buffer]0 = 3 vol %; pHi = 7.0).