Time (min)
|
Initial conc. (mg/L)
|
A–C
|
A–C pit
|
C–A–C
|
A–C–A
|
A–C–A pit
|
---|
5
|
25
|
32.24 ± 1.32
|
53.48 ± 1.53
|
61.85 ± 2.00
|
71.96 ± 1.37
|
86.03 ± 0.60
|
15
|
63.22 ± 1.30
|
54.22 ± 0.44
|
77.82 ± 0.03
|
60.22 ± 1.66
|
88.29 ± 0.41
|
30
|
67.45 ± 2.13
|
74.45 ± 0.59
|
78.19 ± 2.05
|
86.43 ± 0.53
|
89.86 ± 0.18
|
50
|
74.56 ± 1.43
|
88.06 ± 1.26
|
93.01 ± 0.36
|
94.22 ± 0.79
|
94.06 ± 0.97
|
80
|
82.15 ± 0.68
|
92.15 ± 0.68
|
92.76 ± 0.60
|
94.00 ± 0.71
|
94.94 ± 1.19
|
120
|
88.81 ± 0.94
|
96.31 ± 0.61
|
94.48 ± 0.66
|
95.47 ± 0.18
|
97.48 ± 0.55
|
160
|
29.36 ± 0.62
|
94.33 ± 0.71
|
96.33 ± 0.17
|
93.27 ± 0.33
|
95.42 ± 0.27
|
5
|
50
|
34.12 ± 0.66
|
44.36 ± 2.27
|
64.47 ± 4.18
|
65.64 ± 0.72
|
58.35 ± 0.53
|
15
|
55.83 ± 1.29
|
54.12 ± 0.66
|
70.05 ± 0.21
|
75.03 ± 1.79
|
82.54 ± 0.43
|
30
|
58.80 ± 1.53
|
73.83 ± 0.54
|
78.10 ± 1.02
|
80.47 ± 0.31
|
84.63 ± 1.03
|
50
|
76.42 ± 1.41
|
76.30 ± 1.07
|
80.18 ± 1.23
|
91.72 ± 0.61
|
90.45 ± 0.79
|
80
|
88.81 ± 0.94
|
88.92 ± 1.23
|
93.77 ± 0.54
|
95.05 ± 1.15
|
96.86 ± 0.21
|
120
|
93.35 ± 1.05
|
94.12 ± 0.19
|
96.00 ± 0.06
|
96.54 ± 0.48
|
98.03 ± 0.41
|
160
|
93.35 ± 1.05
|
93.35 ± 1.05
|
95.68 ± 0.63
|
94.27 ± 0.62
|
95.56 ± 0.41
|
5
|
75.00
|
45.81 ± 0.67
|
55.81 ± 0.67
|
62.35 ± 11.61
|
49.99 ± 8.53
|
43.58 ± 0.73
|
15
|
46.33 ± 1.89
|
68.08 ± 3.11
|
72.33 ± 1.4
|
66.69 ± 1.09
|
58.31 ± 0.50
|
30
|
55.48 ± 0.75
|
85.48 ± 0.75
|
75.31 ± 0.92
|
84.44 ± 8.10
|
63.98 ± 1.23
|
50
|
57.34 ± 0.97
|
86.34 ± 0.05
|
87.90 ± 4.28
|
88.06 ± 8.22
|
77.57 ± 0.37
|
80
|
74.98 ± 1.47
|
87.23 ± 1.00
|
91.98 ± 1.03
|
89.31 ± 8.21
|
92.11 ± 0.83
|
120
|
92.70 ± 0.46
|
92.70 ± 0.46
|
94.84 ± 1.05
|
89.01 ± 8.35
|
94.28 ± 0.58
|
160
|
90.69 ± 0.59
|
90.44 ± 1.16
|
93.16 ± 1.01
|
85.74 ± 8.06
|
92.89 ± 0.95
|
5
|
100
|
28.68 ± 2.79
|
60.18 ± 2.10
|
56.45 ± 1.43
|
66.38 ± 1.47
|
40.05 ± 2.37
|
15
|
47.00 ± 0.20
|
62.00 ± 2.69
|
58.81 ± 1.52
|
69.28 ± 0.41
|
55.66 ± 0.47
|
30
|
53.56 ± 3.87
|
71.06 ± 1.04
|
73.87 ± 1.65
|
80.83 ± 1.00
|
62.79 ± 0.23
|
50
|
56.23 ± 0.55
|
80.98 ± 0.13
|
89.16 ± 0.97
|
89.83 ± 0.27
|
76.93 ± 0.11
|
80
|
68.39 ± 0.41
|
88.39 ± 0.41
|
88.70 ± 1.02
|
95.35 ± 0.07
|
87.46 ± 1.04
|
120
|
90.80 ± 1.24
|
94.19 ± 0.50
|
90.82 ± 0.55
|
97.55 ± 0.03
|
94.86 ± 1.20
|
160
|
88.44 ± 0.79
|
90.80 ± 1.24
|
87.05 ± 1.16
|
93.82 ± 0.19
|
92.63 ± 0.84
|
- A–C–: anode–cathode; C–A–C–: cathode–anode–cathode; A–C–A–: anode–cathode–anode electrode system