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Table 4 Summery of firing temp, flow rate, turbidity removal efficiency, porosity, total coliform and E. coli removal efficiency of filters

From: Evaluation of the efficiency of ceramic filters for water treatment in Kambata Tabaro zone, southern Ethiopia

Filter code

Composition by (wt)

Firing temp (°C)

Flow rate (mL/h)

Total coliform removal (%)

E. coli removal (%)

Turbidity reduction (%)

Porosity (%)

Clay (%)

Saw dust (%)

Grog (%)

1

70

25

5

700

350

77.32

77.9

31.11

63.91

2

70

25

5

750

290

82.47

83.72

54.47

59.92

3

70

25

5

800

250

88.66

88.37

75.34

56.21

4

75

20

5

700

250

80.41

81.39

33.33

57.09

5

75

20

5

750

200

83.5

86.05

62.33

54.98

6

75

20

5

800

200

85.57

89.53

79.54

53.12

7

80

15

5

700

200

88.66

90.69

52.17

59.22

8

80

15

5

750

150

93.81

94.19

65.99

53.06

9

80

15

5

800

150

95.88

96.51

82.11

51.63