Table 3 The runs of the Taguchi design experiment and the outcomes in TOC are referred to by S/N values.

From: The effect of the combined system of hydrodynamic cavitation, ozone, and hydrogen peroxide on chlorophyll a and organic substances removal in the raw water

Row

pH

T (min)

P (bar)

Q (m3/h)

D (m)

O3 (g/h)

H2O2 (g/l)

EF1 (TOC)%

EF2 (TOC)%

S/N (TOC)

1

5

20

1

1

25

0

0

20.5

21.5

26.4444

2

5

60

3

3

25

0

0

42

43

32.5678

3

5

90

5

5

25

0

0

67.5

66.1

36.4955

4

7

20

3

5

25

2

2

33

30.62

30.0485

5

7

60

5

1

25

2

2

79.5

81

38.0889

6

7

90

1

3

25

2

2

53

52

34.4032

7

9

20

5

3

25

3

1

49.8

51.19

34.0658

8

9

60

1

5

25

3

1

29

29.8

29.3669

9

9

90

3

1

25

3

1

71.9

70.52

37.0496

10

5

20

1

1

50

2

1

26

27

28.4649

11

5

60

3

3

50

2

1

46.2

47.4

33.4049

12

5

90

5

5

50

2

1

72.65

70.75

37.1104

13

7

20

3

5

50

3

0

17

17.5

24.7358

14

7

60

5

1

50

3

0

64.33

65.72

36.2583

15

7

90

1

3

50

3

0

37

38

31.4806

16

9

20

5

3

50

0

2

31.4

30

29.7428

17

9

60

1

5

50

0

2

8.5

9.3

18.9878

18

9

90

3

1

50

0

2

50

50

33.9794

19

5

20

1

1

75

3

2

33.8

32.8

30.4489

20

5

60

3

3

75

3

2

53.25

54.52

34.6318

21

5

90

5

5

75

3

2

78

79

37.8974

22

7

20

3

5

75

0

1

2.8

3.15

9.53879

23

7

60

5

1

75

0

1

51.05

49.34

34.0141

24

7

90

1

3

75

0

1

22

22

26.8485

25

9

20

5

3

75

2

0

24.2

25.75

27.9240

26

9

60

1

5

75

2

0

3

3

9.5424

27

9

90

3

1

75

2

0

43.7

45.5

32.9867

  1. Significant values are in bold.