Oxidative Degradation of Amoxicillin in Aqueous Solution by Thermally Activated Persulfate
Table 1
Kinetic parameters of AMO degradation by TAP at different conditions.
Operating conditions
kobs (min−1)
t1/2 (min)
r
[AMO]0 = 0.1 mM, [PS]0 = 10 mM
T = 35°C
0.0007
990.14
0.9886
T = 40°C
0.0013
533.15
0.9924
T = 45°C
0.0028
247.54
0.9985
T = 50°C
0.0071
97.62
0.9949
T = 55°C
0.0114
60.80
0.9978
T = 60°C
0.0311
22.29
0.9902
[AMO]0 = 0.1 mM, T = 50°C
[PS]0 = 2 mM
0.0013
533.15
0.9894
[PS]0 = 5 mM
0.0024
288.79
0.9894
[PS]0 = 10 mM
0.0071
97.62
0.9949
[PS]0 = 15 mM
0.0092
75.34
0.9959
[PS]0 = 20 mM
0.0165
42.01
0.9965
[AMO]0 = 0.1 mM, [PS]0 = 10 mM, T = 50°C
pH = 2
0.0159
43.59
0.9992
pH = 5
0.0067
103.45
0.9738
pH = 8
0.0060
115.52
0.9920
pH = 10
0.0058
119.50
0.9991
[Cl−]0 = 1 mM
0.0058
119.50
0.9968
[Cl−]0 = 10 mM
0.0082
84.52
0.9825
[Cl−]0 = 100 mM
0.0082
84.52
0.9944
[HA]0 = 0.1 mg/L
0.0097
71.31
0.9752
[HA]0 = 1 mg/L
0.0103
67.16
0.9768
[HA]0 = 10 mg/L
0.0103
67.10
0.9836
[HA]0 = 20 mg/L
0.0098
70.72
0.9727
[Ca2+]0 = 1 mM
0.0073
94.95
0.9978
[Mg2+]0 = 1 mM
0.0074
93.66
0.9948
Groundwater
0.0059
117.47
0.9920
Drinking water
0.0053
130.77
0.9968
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