| Experiment | Potential voltage of photoanode (volt) | Batch system (%) | Continuous system (%) | |
| 3 mL/sec | 6 mL/sec | |||
| 1 | 10 | 96.3* |
|
|
| 2 | 4 |
| 10.0 | 14.9 |
| 3 | 5 |
| 12.7 | 15.3 |
| 4 | 6 |
| 15.9 | 16.3 |