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[[File:Sorptive media.jpg|thumb|Granular Sorptive media]]
[[File:Sorptive media.jpg|thumb|400px|Granular Sorptive Media<sup>TM</sup>]]
==What is it?==
==What is it?==
Imbrium's Sorbtive Media<sup>TM</sup> webpage provides links to technical specificationss and design help, along with highlights of multiple projects where the product has been used for phosphorus removal.<ref> Imbrium Systems. 2017. Sorptive Media. https://www.imbriumsystems.com/stormwater-treatment-solutions/sorbtive-media </ref>
Imbrium's Sorbtive Media<sup>TM</sup> webpage provides links to technical specificationss and design help, along with highlights of multiple projects where the product has been used for phosphorus removal.<ref> Imbrium Systems. 2017. Sorptive Media. https://www.imbriumsystems.com/stormwater-treatment-solutions/sorbtive-media </ref>
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.
At the Sturgeon Meadows Stormwater Management Facility in Leamington, Ontario, Sorbtive Media<sup>TM</sup> 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 pavements|permeable interlocking pavers]] to enhance overall capacity of the pervious pavers.
The Rumble Pond Retrofit project in Richmond Hill, Ontario used Sorbtive Media<sup>TM</sup> in combination with [[permeable pavements|permeable interlocking pavers]] to enhance overall capacity of the pervious pavers.
A partnership between Credit Valley Conservation and the University of Guelph completed a project at the IMAX Corporation headquarters in which Sorbtive Media was used downstream of a [[bioretention]] cell to provide tertiary nutrient treatment.
A partnership between Credit Valley Conservation and the University of Guelph completed a project at the IMAX Corporation headquarters in which Sorbtive Media<sup>TM</sup> was used downstream of a [[bioretention]] cell to provide tertiary nutrient treatment.
A project at Mayville Park in Upstate New York used six retrofit filtration cells surrounding draining inlets near a community centre, which previously had no stormwater treatment on-site. <ref name=imbrium></ref> In addition to these projects included on their website, Sorbtive Media was installed at the Colony Trail retrofit in East Gwillimbury. The Imbrium Sorbtive Media chamber removed an average of 66 % of dissolved phosphate from the site. <ref> Lake Simcoe Region Conservation Authority (LSRCA). Showcasing Water Innovation: Stormwater Performance Monitoring Report. 2013. http://www.lsrca.on.ca/Shared%20Documents/reports/swi_monitoring_2013.pdf. Accessed October 6, 2017. </ref>
A project at Mayville Park in Upstate New York used six retrofit filtration cells surrounding draining inlets near a community centre, which previously had no stormwater treatment on-site. <ref name=imbrium></ref> In addition to these projects included on their website, Sorbtive Media<sup>TM</sup> was installed at the Colony Trail retrofit in East Gwillimbury. The Imbrium Sorbtive Media<sup>TM</sup> chamber removed an average of 66 % of dissolved phosphate from the site. <ref> Lake Simcoe Region Conservation Authority (LSRCA). Showcasing Water Innovation: Stormwater Performance Monitoring Report. 2013. http://www.lsrca.on.ca/Shared%20Documents/reports/swi_monitoring_2013.pdf. Accessed October 6, 2017. </ref>
==Benefits==
==Benefits==
A pilot study was undertaken by researchers at Fleming College in Ontario, Canada to assess the phosphorus removal performance of bioretention soil mix amended with Sorbtive Media. Five bioretention cells were constructed and filled with a soil mix comprised of sand, peat moss, and various percentages of Sorbtive Media. Batches of artificial stormwater containing differing concentrations of phosphorus were used to simulate storm events on the bioretention cells. Through analysis of the influent and effluent concentrations, it was determined that the amended bioretention cells demonstrated substantial improvement in phosphorus removal. Each of the amended cells maintained removal efficiency of up to 99 % and at least 84 % for the duration of the study, even when blended into the soil mix at only 3 - 5 % volume basis.<ref>Balch G. Broadbent H, Wootton B, Collins S. Phosphorus Removal Performance of Bioretention Soil Mix Amended with Imbrium Systems Sorbtive Media. 2013. Centre for Alternative Wastewater Treatment, in association with Fleming College. http://www.imbriumsystems.com/Portals/0/documents/sm/technical_docs/Fleming%20College%20CAWT%20Report%20on%20Sorbtive%20Media%20Performance.pdf </ref>
A pilot study was undertaken by researchers at Fleming College in Ontario, Canada to assess the phosphorus removal performance of bioretention soil mix amended with Sorbtive Media. Five bioretention cells were constructed and filled with a soil mix comprised of sand, peat moss, and various percentages of Sorbtive Media<sup>TM</sup>. Batches of artificial stormwater containing differing concentrations of phosphorus were used to simulate storm events on the bioretention cells. Through analysis of the influent and effluent concentrations, it was determined that the amended bioretention cells demonstrated substantial improvement in phosphorus removal. Each of the amended cells maintained removal efficiency of up to 99 % and at least 84 % for the duration of the study, even when blended into the soil mix at only 3 - 5 % volume basis.<ref>Balch G. Broadbent H, Wootton B, Collins S. Phosphorus Removal Performance of Bioretention Soil Mix Amended with Imbrium Systems Sorbtive Media. 2013. Centre for Alternative Wastewater Treatment, in association with Fleming College. http://www.imbriumsystems.com/Portals/0/documents/sm/technical_docs/Fleming%20College%20CAWT%20Report%20on%20Sorbtive%20Media%20Performance.pdf </ref>
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