Groundwater treatment system with air injection into vadose zone
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United States of America Patent
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Nov 17, 2009
Grant Date -
Aug 28, 2008
app pub date -
Feb 23, 2007
filing date -
Feb 23, 2007
priority date (Note) -
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Abstract
This invention is directed to systems including one or more trenches or wells that include one or more perforated pipes through which a gas, such as air, can be injected into the vadose zone of ground located beyond a methaneogenic source to create a positive-pressure gas curtain and/or aerobic conditions in the vadose zone that inhibits migration of and/or facilitate the remediation of mobile volatile organic compounds that are capable of contaminating groundwater surrounding the methaneogenic source.
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