Research Article
Design, Development, and Performance Evaluation of Solar Heating System for Disinfection of Domestic Roof-Harvested Rainwater
Table 2
Effect of temperature on microbial load of treated water with solar water heater.
| | Sample | Inlet water temperature (°C) | Outlet water temperature (°C) | Microbial load cfu/mL × 104 | | Total viable count | Total coliform count | E. coli | S. aureus | | Inlet | Outlet | Inlet | Outlet | Inlet | Outlet | Inlet | Outlet |
| | A1 | 32.0 | 75.0 | 48 | 5 | 18 | 1 | 10 | nd | 9 | nd | | A2 | 34.0 | 63.0 | 33 | 10 | 10 | 3 | 5 | nd | 10 | nd | | A3 | 34.0 | 62.0 | 30 | 9 | 15 | nd | 9 | nd | 7 | nd | | A4 | 32.0 | 60.5 | 48 | 19 | 18 | 3 | 10 | nd | 9 | nd | | A5 | 33.0 | 58.0 | 63 | 12 | 20 | 10 | 13 | 6 | 10 | nd | | A6 | 32.0 | 52.0 | 48 | 28 | 18 | 8 | 10 | 2 | 9 | 4 | | A7 | 32.0 | 49.0 | 48 | 28 | 18 | 12 | 10 | 8 | 9 | 6 |
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nd: not detected.
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