Reusable storm water sampler and pollutant filter insert

Details Reusable storm water sampler and pollutant filter insert Reusable storm water sampler and pollutant filter insert

2005-06-21

2005-06-21

Upton, Christopher (Department: 1724)

Liquid purification or separation

Structural installation

Grated inlet surface drain

C210S232000, C210S266000, C210S282000, C404S004000

Reexamination Certificate

active

06908549

ABSTRACT:
An insert for use in a sewer system to remove oils and solvents carried by surface water runoff. The insert includes a holder and a quantity of water permeable, hydrophobic, oil and solvent absorbing material such as melt blown polypropylene. The holder has two functions. It holds an effective quantity of the absorber and holds it in such a way that the surface water is exposed to the absorber to allow oils and solvents to be absorbed. The insert in preferably placed, cartridge-like, at the inlet or outlet of the sewer system so that it may be quickly checked, replaced and serviced. In one embodiment, the insert also contains a leaf trap.

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