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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