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Table 2

The pseudo-first-order reaction rate constants (k) and correlation coefficients (R2) of SFZ mineralization in different AOPs

pH 5
pH 7
pH 9
k (h−1)R2k (h−1)R2k (h−1)R2
O3 0.576 (0.690)a 0.941 (0.918)a 0.540 0.915 0.444 0.932 
O3/Na2S2O8 0.924 (0.960)a 0.929 (0.954)a 0.852 0.922 0.792 0.915 
UV/Na2S2O8 0.702 (0.480)a 0.966 (0.975)a 0.510 0.985 0.444 0.987 
UV/O3 1.26 (0.714)a 0.969 (0.994)a 0.858 0.952 0.576 0.906 
UV/O3/Na2S2O8 5.21 (1.48)a 0.941 (0.962)a 3.71 0.961 1.62 0.889 
pH 5
pH 7
pH 9
k (h−1)R2k (h−1)R2k (h−1)R2
O3 0.576 (0.690)a 0.941 (0.918)a 0.540 0.915 0.444 0.932 
O3/Na2S2O8 0.924 (0.960)a 0.929 (0.954)a 0.852 0.922 0.792 0.915 
UV/Na2S2O8 0.702 (0.480)a 0.966 (0.975)a 0.510 0.985 0.444 0.987 
UV/O3 1.26 (0.714)a 0.969 (0.994)a 0.858 0.952 0.576 0.906 
UV/O3/Na2S2O8 5.21 (1.48)a 0.941 (0.962)a 3.71 0.961 1.62 0.889 

a: At 3.5% NaCl.

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