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Table 1 Comparison between the different Al electrode systems in the removal efficiency of phosphorus from synthetic wastewater

From: Treatment and characterization of phosphorus from synthetic wastewater using aluminum plate electrodes in the electrocoagulation process

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
  1. A–C–: anode–cathode; C–A–C–: cathode–anode–cathode; A–C–A–: anode–cathode–anode electrode system
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