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Title: In-situ remediation system for contaminated groundwater

Patent Application ·
OSTI ID:5324462

A system for removing volatile contaminants from a subsurface plume of contamination comprising two sets of wells, a well for injecting a fluid into a saturated zone on one side of the plume and an extracting well for collecting the fluid together with volatilized contaminants from the plume on the other side of the plume is described. The fluid enables the volatile contaminants to be volatilized and carried through the ground to the extracting well. Injecting and extracting wells are preferably horizontal wells positioned below the plume in the saturated zone and above the plume in the vadose zone. The fluid may be air or other gas or a gas and liquid mixture depending on the type of contaminant to be removed and may be preheated to facilitate volatilization. Treatment of the volatilized contamination may be by filtration, incineration, atmospheric dispersion or the like. 3 refs., 3 figs.

Research Organization:
Savannah River Lab., Aiken, SC (United States)
Sponsoring Organization:
USDOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC09-89SR18035; AC09-76SR00001
Assignee:
Dept. of Energy
Patent Number(s):
PATENTS-US-A7236438
Application Number:
ON: DE91017331; PPN: US 7-236438
OSTI ID:
5324462
Country of Publication:
United States
Language:
English