Controlling the formation of hexavalent chromium during an oxidative remediation of a contaminated site
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
Jul 2, 2008
filing date -
Jul 2, 2007
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Abandoned
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Abstract
A method for inhibiting formation of hexavalent chromium during oxidative remediation of a contaminated site containing trivalent chromium is described. The method comprises introducing ozone at a first point to the contaminated site, where the ozone is introduced at a first frequency and for a first period of time, and introducing hydrogen peroxide to the contaminated site, where the hydrogen peroxide is introduced at a second frequency and for a second period of time. The first and second frequencies and first and second periods of time are selected to inhibit formation of hexavalent chromium within the site of remediation.
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