Method and apparatus for removing particulate contaminants...

Details Method and apparatus for removing particulate contaminants... Method and apparatus for removing particulate contaminants...

2005-08-09

2005-08-09

Popovics, Robert James (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S195100, C210S196000, C210S258000, C210S259000, C210S416100, C210S513000, C210S532100, C210S921000

Reexamination Certificate

active

06926822

ABSTRACT:
A filtration apparatus includes a laundry waste sump, a primary 50 micron static screen filter, a 9,000 gallon equalization tank, at least one secondary media/carbon filter, a sludge holding tank with a pump to return excess water to the equalization tank, a backwash pump, an air blower, and a clear well tank water source for backwash. An exemplary embodiment of the invention also includes a surge tank between the primary and secondary filters and a surge tank between the secondary filter and the clear well tank.

REFERENCES:
patent: 5207922 (1993-05-01), McFarlan et al.
patent: 6195825 (2001-03-01), Jones
patent: 6474111 (2002-11-01), Pattee
patent: 6692638 (2004-02-01), Sharkey
patent: 2002/0153334 (2002-10-01), Sharkey

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