Treating runoff

Details Treating runoff Treating runoff

2011-07-19

2011-07-19

Upton, Christopher (Department: 1776)

Liquid purification or separation

Processes

Including geographic feature

C210S806000, C210S164000, C210S170030, C210S338000

Reexamination Certificate

active

07981300

ABSTRACT:
Systems and methods for treating water passing through a catch basin may include first and second filters. In some embodiments, one or both of the filters can have a plurality of regions with different nominal flow rates.

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