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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 If underdrain is present
This page was last edited on 7 August 2022, at 12:17.