System and method of chemical injection using an adjustable...

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization

Reexamination Certificate

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C405S128150, C405S128450, C405S128700, C405S128750

Reexamination Certificate

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07828495

ABSTRACT:
A supplemental fluid adjustable depth air sparging system which is used to remediate contaminants from groundwater within the soil. An adjustable depth air injection point injects compressed air mixed with a chemical oxidizer or nutrient into saturated or groundwater regions of the soil's subsurface to remove contaminants including chlorinated solvents from the soil's subsurface.

REFERENCES:
patent: 5560737 (1996-10-01), Schuring et al.
patent: 5879108 (1999-03-01), Haddad
patent: 6173788 (2001-01-01), Lembcke et al.
patent: 6305878 (2001-10-01), Drucker
patent: 6872318 (2005-03-01), Kerfoot
patent: 2004/1023134 (2004-12-01), Whisman
patent: 2006/0198704 (2006-09-01), Kerfoot

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