Venting apparatus and method for remediation of a porous medium
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United States of America Patent
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-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Feb 5, 1999
filing date -
Feb 5, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to generally an apparatus and method for accumulating and discharging a gas under pressure or vacuum to aid the remediation of a contaminated porous medium, such as soil or both. In one aspect, a windmill, an air pump, and a linkage between the windmill and the pump to permit the windmill to drive the pump at a higher differential pressure than the dynamic pressure of the wind. A venting head connected in fluid communication with the pump for placement to interact with a porous medium to be vented at a level above the water table.
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