Cleo Springs, Oklahoma - in-situ chemical oxidation case study


Courtesy of Cedar Creek Engineering, Inc.

A gasoline spill occurred when a fuel tanker was forced off this curve in rural Oklahoma. Initial responders were unsuccessful in their effort to remove all of the contaminated soil. Cedar Creek Engineering was contracted to remediate the residual soil and groundwater contamination. Here a recovery well and reagent injection points are installed.

The treatment process called for Fenton's reagent to be injected into a battery of points surrounding two recovery wells, while groundwater was pumped from the wells.

By removing water in conjunction with injection of oxidants two remedial mechanism were employed: in-situ destruction of contaminants by chemical oxidation, as well as direct removal of contaminants that were driven toward the extraction well.

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