Difference between revisions of "Unit processes of stormwater treatment techniques"
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Revision as of 22:18, 26 May 2015
Unit processes of stormwater treatment techniques (Adapted from WEF, 2008)
Link to this table
| Control | Infiltration basin | Infiltration trench | Bioinfiltration | Permeable pavement | Tree box/tree trench | Enhanced turf |
|---|---|---|---|---|---|---|
| Peak flow attenuation | X | X | X | X | ||
| Runoff volume reduction | X | X | X | X | X | |
| Infiltration | X | X | X | X | X | X |
| Dispersion | ||||||
| Evapotranspiration | X | X | ||||
| Runoff collection and usage | X1 | X1 | ||||
| Sedimentation | X | X | X | |||
| Flotation | X | X | ||||
| Laminar separation | ||||||
| Swirl concentration | ||||||
| Sorption | X | X | X | X | ||
| Precipitation | X | X | X | X | ||
| Coagulation | X | X | X | X | ||
| Filtration | X | |||||
| Plant metabolism | X | X | X | |||
| Nitrification/denitrification | X | X | X | |||
| Organic compound degradation | X | X | X | X | ||
| Pathogen die off | X | X | X | |||
| Temperature reduction | X | X | X | X | ||
| Disinfection | X | X | X | X |
1 1If underdrain is present