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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