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==What is it?==

==What is it?==

Sorbtive media is an oxide-based, high surface area reactive engineered media that absorbs and retains large amounts of dissolved [[phosphorus]]. It does not desorb (leach) pollutants and has a low total phosphorus effluent concentration (< 0.1 mg/L). Sorbtive Media controls phosphorus by two mechanisms:  

Sorbtive media is an oxide-based, high surface area reactive engineered media that absorbs and retains large amounts of dissolved [[phosphorus]]. It does not desorb (leach) pollutants and has a low total phosphorus effluent concentration (< 0.1 mg/L). Sorbtive Media controls phosphorus by two mechanisms:  

# Physical filtration is the removal of particulate-bound phosphorus and sediment, and

#Physical filtration is the removal of particulate-bound phosphorus and sediment, and

# Sorption is the physio-chemical removal of dissolved phosphorus (the biologically available portion). <ref name=imbrium>Imbrium Stormwater Treatment Solutions. Sorbtive Media. http://www.imbriumsystems.com/stormwater-treatment-solutions/sorbtive-media. Accessed October 6, 2017.</ref>

#Sorption is the physio-chemical removal of dissolved phosphorus (the biologically available portion).<ref name=imbrium>Imbrium Stormwater Treatment Solutions. Sorbtive Media. http://www.imbriumsystems.com/stormwater-treatment-solutions/sorbtive-media. Accessed October 6, 2017.</ref>

==How is it being used?==

==How is it being used?==

The “Sorbtive Media” website highlights multiple projects where their product was used for phosphorus removal. At the Sturgeon Meadows Stormwater Management Facility in Leamington, Ontario, Sorbtive Media was applied as a retrofit component to enhance pollutant removal withing an existing [[dry pond]] as part of a [[treatment train]]. A 30 cm layer was applied within retrofitted trenches in combination with washed stone and rip rap rock to manage the expected treatment flow.  

The “Sorbtive Media” website highlights multiple projects where their product was used for phosphorus removal. At the Sturgeon Meadows Stormwater Management Facility in Leamington, Ontario, Sorbtive Media was applied as a retrofit component to enhance pollutant removal withing an existing [[dry pond]] as part of a treatment train. A 30 cm layer was applied within retrofitted trenches in combination with washed stone and rip rap rock to manage the expected treatment flow.  

The Rumble Pond Retrofit project in Richmond Hill, Ontario used Sorbtive Media in combination with [[permeable paving|permeable interlocking pavers]] to enhance overall capacity of the pervious pavers.  

The Rumble Pond Retrofit project in Richmond Hill, Ontario used Sorbtive Media in combination with [[permeable paving|permeable interlocking pavers]] to enhance overall capacity of the pervious pavers.