Method and system for decontaminating soils and groundwater of g

Details Method and system for decontaminating soils and groundwater of g Method and system for decontaminating soils and groundwater of g

1995-09-01

1997-04-29

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166370, 210747, 405128, B09C 108, E21B 4700

Patent

active

056239920

ABSTRACT:
Biodegradation of gasoline by microorganisms in soil and groundwater is achieved by improving the growing conditions for petroleum degrading microorganisms in the subsurface by introducing oxygen containing gas and soluble nitrogen into a system of closely spaced aeration columns extending vertically in the soil to below the groundwater surface. As the gas rises through the groundwater in the columns it oxygenates surrounding soil and groundwater and raises the water level in the columns above the groundwater table. This water level differential induces groundwater migration in the columns and in soil surrounding the columns, providing limited vertical circulation of groundwater in the soil.

REFERENCES:
patent: 3846290 (1974-11-01), Raymond
patent: 5037240 (1991-08-01), Sherman
patent: 5221159 (1993-06-01), Billings et al.
patent: 5246309 (1993-09-01), Hobby
patent: 5387057 (1995-02-01), DeLoach
patent: 5398757 (1995-03-01), Corte et al.

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