Fluid extraction device

Details Fluid extraction device Fluid extraction device

1993-05-14

1995-01-10

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

166267, 405 52, B09B 300

Patent

active

053801253

ABSTRACT:
A fluid extraction device to remove fluid contaminants from the vadose zone of unsaturated subsurface area by selectively evacuating liquid and gas therefrom comprising a lower well screen assembly coupled to a vacuum source through an upper fluid conduit structure including a fluid flow control to separately extract liquid and vapor from the vadose zone and a fluid flow indicator to separately monitor the flow of liquid and vapor through the upper fluid conduit structure.

REFERENCES:
patent: 5154538 (1992-10-01), Bockle
patent: 5160217 (1992-11-01), Metzer et al.
patent: 5246309 (1993-09-01), Hobby
patent: 5249888 (1993-10-01), Braithwaite et al.

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