Prefilter for water treatment

Details Prefilter for water treatment Prefilter for water treatment

2005-06-14

2005-06-14

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S747300, C210S170050

Reexamination Certificate

active

06905599

ABSTRACT:
An apparatus and method for use in conjunction with grassy swales and sidewalk cross drains to collect and filter or otherwise treat dirty or polluted storm water runoff or other fluid is disclosed. One or more prefilters are installed at one or more inlets to a grassy swale or a sidewalk cross drain, such that at least a portion of any storm water runoff or other passing fluids are at least partially filtered or otherwise treated to some extent before entering the grassy swale. The prefilters comprise an inlet adapted to deliver fluid therethrough; an outlet adapted to deliver fluid therethrough, one or more structural elements connecting to inlet to the outlet, and one or more filtration elements attached to at least one of the structural elements.

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