Saturated layer stormwater filtration system
AssigneeStormwateRx, LLC
InventorsCalvin Paul NOLING, Daniel Michael JOSEPH
Life of this patent
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Abstract
A saturated layer stormwater filtering system with down-flow layered multimedia filters is disclosed. The filtering system may include an upflow pretreatment chamber and a subsequent filtration chamber. It also includes a snorkel pipe as an adjustable head control or internal baffles. The system incorporates gravity powered partially saturated stormwater media filters to harness the potential energy of stormwater from downspouts and pumped flows from stormwater catchments to drive the polluted stormwater in a hydraulically controlled fashion by gravity through a series of filter media layers.
Claims16
A stormwater filter system comprising:
- a chamber having an upper laterally positioned opening and a lower laterally positioned opening;
- a layer of unsaturated filter media and saturated filter media within the chamber having an upper media surface;
- a distribution header with an inlet opening aligned with the upper laterally positioned opening of the chamber, the inlet opening and the upper laterally positioned chamber opening being positioned above the upper surface of the layered unsaturated filter media and saturated filter media wherein the distribution outlet has a row of apertures operable to distribute a plurality of streams of stormwater over the upper surface of the layered saturated and unsaturated filter media;
- and
- an outlet to in communication with the lower laterally positioned opening to discharge filtered stormwater.
A filter comprising:
- a vessel;
- an inlet pipe entering the vessel through an inlet aperture;
- a distribution header coupled to the inlet pipe with a plurality of apertures along its length wherein the plurality of apertures are operable to distribute a plurality of streams of stormwater;
- a plurality of unsaturated filter media layers disposed below and in substantially parallel orientation to the distribution header in a vertical stack of layers;
- a plurality of saturated filter media layers disposed below and in substantially parallel orientation to the plurality of unsaturated filter media layers in a vertical stack of layers;
- and
- a bottom collection device disposed at the bottom of the vessel and below the plurality of saturated filter media layers extending through an aperture disposed in the vessel.
Dependencies are inferred from the claim text.