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ARAC degradation kinetics (a), and corresponding pseudo-first order rate constant (b), obtained under different oxidation systems, i.e., chlorine, ultrasound (US), US/chlorine, US/NB, and US/chlorine/NB (conditions: frequency: 600 kHz, power: 120 W, C0 = 5 mg L−1 (10 µM), [chlorine]0 = 0.25 mM, [NB]0 = 1 mM, 25 ± 1 °C, pH 5.5). NB: nitrobenzene.
