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Table 4

Rct and fOH values of micropollutants' removal during the application of single and catalytic ozonation in the absence or presence of TBA Experimental conditions: CO3 2 mg/L, CMP 4 μΜ, Ccal.. 0.5 g/L, Cmetal ions 1 mg/L, CTBA 0.3 mM, pH 7, T 23 ± 2 °C

In the absence of TBA
In the presence of TBA
MicropollutantCatalystRctfOHRct(×10−9)fOH
Benzotriazole 9.9 × 10−8 0.974 1.7 0.390 
Calcite 10.7 × 10−8 0.976 1.8 0.400 
Co(II) 10.4 × 10−8 0.975 1.6 0.380 
Fe(II) 9.1 × 10−8 0.972 1.5 0.360 
Carbamazepine 1.8 5.4*10−5 
Calcite 2.6 7.7*10−5 
Co(II) 2.2 6.5*10−5 
Fe(II) 2.2 6.5*10−5 
p-CBA 4.4 × 10−8 (1–3 min) 0.999 0.3 0.900 
 3.4 × 10−9 (3–30 min) 0.991 0.3 0.900 
Calcite 5.6 × 10−8 (1–3 min) 0.999 0.7 0.959 
Co(II) 5.3 × 10−8 (1 × 3 min) 0.999 0.5 0.955 
 9.0 × 10−9 (3–30 min) 0.994 0.5 0.955 
Fe(II) 4.8 × 10−8 (1–3 min) 0.999 0.6 0.941 
 4.6 × 10−9 (3–30 min) 0.997 0.6 0.941 
In the absence of TBA
In the presence of TBA
MicropollutantCatalystRctfOHRct(×10−9)fOH
Benzotriazole 9.9 × 10−8 0.974 1.7 0.390 
Calcite 10.7 × 10−8 0.976 1.8 0.400 
Co(II) 10.4 × 10−8 0.975 1.6 0.380 
Fe(II) 9.1 × 10−8 0.972 1.5 0.360 
Carbamazepine 1.8 5.4*10−5 
Calcite 2.6 7.7*10−5 
Co(II) 2.2 6.5*10−5 
Fe(II) 2.2 6.5*10−5 
p-CBA 4.4 × 10−8 (1–3 min) 0.999 0.3 0.900 
 3.4 × 10−9 (3–30 min) 0.991 0.3 0.900 
Calcite 5.6 × 10−8 (1–3 min) 0.999 0.7 0.959 
Co(II) 5.3 × 10−8 (1 × 3 min) 0.999 0.5 0.955 
 9.0 × 10−9 (3–30 min) 0.994 0.5 0.955 
Fe(II) 4.8 × 10−8 (1–3 min) 0.999 0.6 0.941 
 4.6 × 10−9 (3–30 min) 0.997 0.6 0.941 
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