Apparatus for two phase vacuum extraction of soil contaminants
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United States of America Patent
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Mar 30, 1993
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N/A
app pub date -
Jul 15, 1991
filing date -
Sep 27, 1989
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Abstract
A process for two phase vacuum extraction of contaminants from the ground involves vacuum withdrawal of liquid and gaseous phases as a common stream, separation of the liquid and gaseous phases, and subsequent treatment of the separated liquid and gases to produce clean effluents. Two phase vacuum extraction employs a single vacuum generating device to remove contaminants in both the liquid stream and soil gases through a single well casing.
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