DNAPL SOURCE TREATMENT USING HIGH PRESSURE JETTING TECHNIQUES
A trichloroethene (TCE) source zone treatment was completed at a North Carolina manufacturing facility in September 1999 using an innovative high pressure jetting technique. The source zone treatment was constructed with zero valent iron (ZVI) and kaolinite clay, injected and mixed with soils, to divert groundwater around the source area and to treat the trichloroethene (TCE). The iron and clay were injected to a depth of 15 to 18 feet, coinciding with the top of a low permeability mudstone underlying the aquifer sand. During the same mobilization, a thin, low permeability treatment wall of ZVI and clay was jetted in a 34 foot diameter perimeter around the source zone, and a permeable reactive wall (PRW) of ZVI was jetted in the path of the plume several hundred feet downgradient.
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Document Type: Research Article
Publication date: 2000-01-01
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