Liquid purification or separation – Structural installation – Geographic
Reexamination Certificate
2006-02-28
2006-02-28
Upton, Christopher (Department: 1724)
Liquid purification or separation
Structural installation
Geographic
C210S173000, C210S242100, C210S308000, C210S523000, C405S052000, C318S366000
Reexamination Certificate
active
07005064
ABSTRACT:
A method and apparatus for remediating wastewater holding areas and the like includes a closed, foraminous dewatering membrane that is positioned adjacent to the wastewater holding area. Sludge and adjacent water on the bottom of the wastewater holding area are pumped in the form of a sludge slurry into the interior of the dewatering membrane. The water is removed from the sludge slurry by allowing gravitational forces to flow water through the dewatering membrane. The dewatering membrane is then opened, and the dewatered sludge is removed for depositing at an appropriate site.
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Cretens William J.
Depuydt Kent T.
Johnson Russell D.
Keller Robert A.
Trierweiler Dana J.
Infrastructure Alternatives
Price Heneveld Cooper DeWitt & Litton LLP
Upton Christopher
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