Table 4.
Percentage of bacteria removal.
| Microorganism | Microbiological Removal |
|||
|---|---|---|---|---|
| Raw (CFU/ml) | CM (%) | PES-3PEG (%) | PES-5PVP (%) | |
| Total aerobic bacterial count | 170000 | 91.76 | 96.00 | 91.76 |
| Total coliform count | 150000 | 93.67 | 99.27 | 91.33 |
| Total faecal coliform count | 78000 | 93.97 | 99.74 | 99.36 |
| Total yeast and mold | 24000 | 99.98 | 95.00 | 99.17 |
| E. coli | <10 | 89.00 | 78.00 | 89.00 |
| Bacillus spp. | 65000 | 81.23 | 84.62 | 81.54 |
| Salmonella spp. | 9300 | 99.91 | 99.96 | 99.96 |
| Pseudomonas spp. | <10 | 89.00 | 78.00 | 89.00 |
| Staphylococcus spp. | 300 | 99 | 99 | 99 |