| Working gas | 2,6-DBP degradation [%] | TOC degradation [%] | Production of Br− [%] |
| N2 | 48.06 | 48.49 | 30.74 |
| Ar | 85.87 | 76.25 | 77.27 |
| Air | 99.73 | 72.82 | 10.30 |
| O2 | 100.00 | 100.00 | 24.96 |