Dry swale | IFilter strip / grass buffer | Grass channel | Level spreader | Wet swale | X | ||
---|---|---|---|---|---|---|---|
Pretreatment | X | X | |||||
HYDRAULIC PROCESSES | Attenuation | X | X | X | |||
Infiltration / Runoff reduction | |||||||
Evaporation | X | ||||||
Transpiration | X | ||||||
PHYSICAL PROCESSES | Screening | X | |||||
Sedimentation | X | X | X | ||||
Filtration | X | X | X | X | |||
Flotation / Skimming | X | ||||||
Laminar Separation | |||||||
Swirl concentration | |||||||
BIOLOGICAL PROCESSES | Plant metabolism | X | |||||
Pathogen die-off | X | X | X | X | |||
Nitrification / denitrification | |||||||
CHEMICAL PROCESSES | Precipitation | ||||||
Coagulation | |||||||
Sorption/Ion Exchange | X | ||||||
OTHER | Thermal / temperature | X | X | X | X |