Difference between revisions of "Unit processes of stormwater treatment techniques - filtration practices"
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Revision as of 18:07, 9 April 2018
Unit processes of stormwater treatment techniques for filtration practices (Adapted from WEF, 2008)
Link to this table
| Control | Dry swale or step pool | Wet swale | Biofiltration | Permeable pavement | Tree box/tree trench | Green roof |
|---|---|---|---|---|---|---|
| Peak flow attenuation | X | X | X | X | X | |
| Runoff volume reduction | X | X | X | X | X | |
| Infiltration | X | X | X | X | ||
| Dispersion | X | |||||
| Evapotranspiration | X | X | X | X | X | |
| Runoff collection and usage | X | X | ||||
| Sedimentation | X | X | X | |||
| Flotation | X | |||||
| Laminar separation | ||||||
| Swirl concentration | ||||||
| Sorption | X | X | X | X | X | |
| Precipitation | X | X | ||||
| Coagulation | X | X | ||||
| Filtration | X | X | X | X | X | X |
| Plant metabolism | X | X | X | |||
| Nitrification/denitrification | X | X | ||||
| Organic compound degradation | X | X | X | X | X | |
| Pathogen die off | X | |||||
| Temperature reduction | X | X | X | X | X | |
| Disinfection | X | X |