| Bioinfiltration / rain garden | Infiltration basin | Infiltration trench | Permeable pavement | Tree trench / tree box | Underground infiltration | ||
|---|---|---|---|---|---|---|---|
| Pretreatment | |||||||
| HYDRAULIC PROCESSES | Attenuation | X | X | X | |||
| Infiltration / Runoff reduction | X | X | X | X | X | X | |
| Evaporation | |||||||
| Transpiration | X | X | X | X | |||
| PHYSICAL PROCESSES | Screening | ||||||
| Sedimentation | X | X | X | X | |||
| Filtration | X | X | X | X | X | X | |
| Flotation / Skimming | |||||||
| Laminar Separation | |||||||
| Swirl concentration | |||||||
| BIOLOGICAL PROCESSES | Plant metabolism | X | X | X | X | ||
| Pathogen die-off | X | X | X | X | X | ||
| Nitrification / denitrification | X | X | X | X | |||
| CHEMICAL PROCESSES | Precipitation | ||||||
| Coagulation | |||||||
| Sorption/Ion Exchange | X | X | X | X | X | X | |
| OTHER | Thermal / temperature | X | X | X | X | X | X |