Hydraulic and earth engineering – Fluid control – treatment – or containment
Patent
1997-08-27
2000-10-31
Will, Thomas B.
Hydraulic and earth engineering
Fluid control, treatment, or containment
405 43, 405 45, 405128, 210170, E02B 1100, E02B 1300, B09B 100
Patent
active
061392219
ABSTRACT:
An apparatus and method for controlling ground water flow within a contaminated soil zone. A constant head moat is created surrounding the contaminated volume by digging a trench encircling the volume. A closed loop pipe, slotted or perforated, is laid in the bottom of the trench and serves to cause a constant hydraulic head around the perimeter of the zone. This prevents ground water movement into the zone. An upward gradient is created within the zone by trees, plants or mechanical pumps to move ground water inward and upward. Leaching or movement of contaminants out of the zone is minimized or eliminated.
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Ankeny Mark D.
Forbes Jeffrey R.
Lee Jong-Suk
Will Thomas B.
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