C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/72 (2006.01)
Patent
CA 2129727
The invention of in-situ oxidizing zone remediation system for contaminated groundwater is a system that releases oxygen or oxidizing gases into a saturated zone of an aquifer (3) to form an oxidizing zone (5) cross the contaminated groundwater plume (4) to purify the groundwater at the location of the plume so as to limit further development of the plume. The system comprises a set of gas injectors (7) embedded in a horizontal well, an oxidizing gas source (10), and gas flow rate controlling (19) and monitoring (20) devices. The gas will be injected through the gas injectors into the groundwater carrying contaminants at the rate that is approximately equal to the rate of the gas dissolving in the groundwater. Such rate will eliminate the possibility of secondary contaminant. A set of auxiliary apparatuses is also designed for preliminary examination before the installation of the system and for determining the suitable injecting rate of the gas.
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