Direct oxygen injection groundwater remediation method and system
First Claim
1. A method for remediating a contaminated region of a subterranean body of groundwater to destroy or reduce initial concentration levels of contaminants, comprising:
- providing at least one injection point extending from above ground to the subterranean body of groundwater;
delivering oxygen to said at least one injection point and into the subterranean body of groundwater;
monitoring soil gas vapor to determine a level of oxygen in said soil gas vapor; and
regulating oxygen flow to said at least one injection point such that said level of oxygen in said soil gas vapor is approximately 15% or above.
1 Assignment
0 Petitions
Accused Products
Abstract
A bioremediation method and system for destroying or reducing the level of contaminants in a contaminated subterranean body of water includes a plurality of spaced injection sites. The injection sites extend below ground and intersect a body of groundwater. Each of the plurality of injection sites are in communication with a supply of concentrated oxygen. The oxygen is conveyed by a delivery mechanism from the supply of oxygen to the injection points to naturally reduce the contaminants in the groundwater. The amount of oxygen delivered to the groundwater is maintained such that the amount of oxygen in the soil gas vapor is between 15% and 25%.
-
Citations
20 Claims
-
1. A method for remediating a contaminated region of a subterranean body of groundwater to destroy or reduce initial concentration levels of contaminants, comprising:
-
providing at least one injection point extending from above ground to the subterranean body of groundwater;
delivering oxygen to said at least one injection point and into the subterranean body of groundwater;
monitoring soil gas vapor to determine a level of oxygen in said soil gas vapor; and
regulating oxygen flow to said at least one injection point such that said level of oxygen in said soil gas vapor is approximately 15% or above. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A system for remediating a contaminated subterranean body of groundwater to destroy or reduce the levels of contaminants, comprising:
-
a plurality of injection points extending below ground and into communication with the body of groundwater;
a supply of concentrated oxygen in communication with each of said plurality of injection points;
a mechanism for delivering said concentrated oxygen to each of said plurality of injection points;
at least one monitoring well for evaluating the level of contaminants in the groundwater; and
a device for regulating the delivery of oxygen to each of said plurality of injection points, to maintain a level of oxygen in the soil gas vapor at about 15% or above. - View Dependent Claims (12, 13, 14)
-
-
15. A method for remediating contaminated groundwater, comprising:
-
providing a supply of oxygen;
removing oxygen from said supply of oxygen;
regulating the pressure of said removed oxygen; and
injecting said oxygen into the groundwater such that an oxygen level in the soil gas vapor is at least 15% or greater. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification