Method of using pulsed ozone to treat soils containing organic contaminants
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United States of America Patent
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Sep 23, 2008
Grant Date -
Mar 16, 2006
app pub date -
Aug 31, 2005
filing date -
Apr 28, 1998
priority date (Note) -
Expired
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Abstract
A method of treating a solid matrix containing organic contaminants is provided. The method comprises the steps of a) injecting ozone into the solid matrix for a period of time known as the pulse duration; b) interrupting the injection of ozone into the solid matrix for a period of time known as the gap duration; and c) repeating step a) at least one additional time. Gap durations of from about 2 hours to about 48 hours are disclosed. Pulse durations of from about 0.25 hours to about 8 hours are also disclosed. Recalcitrant organic contaminants are treated.
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