Silt fence configured for capturing pollutants and fabric forming the same
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United States of America Patent
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Jun 4, 2024
Grant Date -
Feb 2, 2023
app pub date -
Oct 10, 2022
filing date -
Oct 10, 2022
priority date (Note) -
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Abstract
A composite silt fence configured for capturing pollutants in one embodiment comprises a silt fence fabric including i) a polymeric geotextile fabric particulate filtering layer defining the hydraulic flow capacity for the silt fence, ii) a pollutant capturing layer coupled to the polymeric geotextile fabric particulate filtering layer and configured to capture some select pollutants in water from flow that has passed through the polymeric geotextile fabric particulate filtering layer, and iii) a backing layer coupled to the pollutant capturing layer; and a plurality of stakes secured to the silt fence fabric at spaced locations. The silt fence fabric yields higher hydraulic flow than existing fence constructions with greater sediment retention and pollutant containment features.
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