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The efficacy of river water filtration by NCB control, NCB + TiO2 and by NCB + TiO2 + graphene.
| Sample | Filtration efficacy for bacteria (%) | TDS (mg/L) | TSS (mg/L) | pH |
|---|---|---|---|---|
| NCB | ||||
| R1 | 56.12 ± 1.60 | 170 | 350 | 5.5 |
| R2 | 58.01 ± 1.82 | 190 | 350 | 5.5 |
| R3 | 56.98 ± 1.88 | 380 | 360 | 5.6 |
|
| ||||
| NCB + TIO2 | ||||
| R1 | 56.83 ± 1.60 | 170 | 350 | 5.5 |
| R2 | 57.98 ± 1.52 | 190 | 350 | 5.5 |
| R3 | 57.68 ± 1.58 | 380 | 360 | 5.6 |
|
| ||||
| NCB + TiO2 + graphene | ||||
| R1 | 57.01 ± 1.12 | 170 | 350 | 5.5 |
| R2 | 58.02 ± 1.91 | 190 | 350 | 5.5 |
| R3 | 57.11 ± 1.08 | 380 | 360 | 5.6 |
