Appendix 10. Summary of experimental mean values for solar
inactivation of coliforms and Streptococcus faecalis in
contaminated water using solar reactors IIA and IIB.
|
| Exp. No. |
Date (1986) |
Water temperature (°C) |
Flow rate (L/h) |
Solar UV-A |
Bacterial counts (CFU/mL) |
Bacterial survival (%) |
|
|
Exposure time (min) |
Intensity (W/m2) |
Fluence (W h/m2) |
|
| Influent | Effluent |
Mean | Influent |
Effluent |
|
| Solar reactor IIA: Coliforms |
| 27 | 18 Dec. | 22.4 | 21.6 | 22.0 | 8.1 | 64 | 9.4 | 10.0 | 580 | 40 | 4.2 |
| 28 | 23 Dec. | 24.6 | 24.9 | 24.7 | 16.3 | 35 | 12.1 | 7.1 | 755 | 145 | 13.3 |
| Solar reactor IIA: Streptococcus faccalis |
| 27 | 18 Dec. | 22.4 | 21.6 | 22.0 | 8.9 | 64 | 9.4 | 10.0 | 285 | 35 | 17.0 |
| Solar reactor IIB: Collforms |
| 29 | 13 Jan. | 24.9 | 24.3 | 24.5 | 16.9 | 64 | 11.4 | 12.1 | 75 | 5 | 2.9 |
| 30 | 22 Jan. | 20.6 | 20.3 | 20.4 | 20.3 | 53 | 3.3 | 2.9 | 180 | 35 | 12.2 |
|