Table 1. Reactive moieties of micropollutants and their reactivities towards different oxidants48–54.
| Reactive moieties | O3 | ClO2 | HOCl | ˙OH and SO4˙− |
|---|---|---|---|---|
| Aromatic systems | Phenols | Phenols | All | All |
| Anilines | Anilines | |||
| Reduced sulfur | Thiols | Thiols | Thiols and Thioether | Thiols |
| Thioether | Thioether | |||
| Sulfoxides | Sulfoxides | |||
| Double bonds | C C | Not reactive | Barely | C C and C N |
| Amines | Deprotonated | Tertiary amines deprotonated | Primary > secondary > tertiary amines | All |
| Protonated and deprotonated | ||||
| C–H | Not reactive | Not reactive | Not reactive | All |