Method and device for in-situ groundwater decontamination

Details Method and device for in-situ groundwater decontamination Method and device for in-situ groundwater decontamination

C - Chemistry, Metallurgy

02

F

C02F 1/46 (2006.01) B09C 1/00 (2006.01) C02F 1/461 (2006.01) C02F 1/00 (2006.01) C02F 1/467 (2006.01) C02F 1/72 (2006.01)

Patent

CA 2420647

An apparatus for decontamination contaminated groundwater in-situ by increasing the quantity of dissolved oxygen in the contaminated groundwater and generating reactive initiators to remediate the contaminated groundwater. The apparatus includes a submersible pump (330), an electrolytic cell (334), a chlorine filter, and a distribution chamber (336). The distribution chamber (336) is vertically oriented and longitudinally-extending from the outlet of the cell (334). As the groundwater flows across charging plates of the cell, some of the molecules break into their component parts of hydrogen gas and oxygen gas. A selected vertical length of the chamber provides a resident time for the fluid allowing a majority of the gaseous oxygen to transition to dissolved oxygen.

L'invention porte sur un appareil de décontamination <i>in situ</i> d'eaux souterraines polluées en y accroissant la quantité d'oxygène dissous et en produisant des amorceurs de réaction. L'appareil comporte: une pompe immergeable; une cellule électrolytique; un filtre à chlore; et une chambre de distribution verticale et s'étendant longitudinalement à partir de l'orifice de sortie de la cellule. Lorsque l'eau souterraine traverse les plaques de charge, une partie de ses molécules se scinde en hydrogène et oxygène gazeux. Une portion verticale donnée de la longueur de la chambre assure un temps de rétention du liquide permettant la dissolution de la majeure partie de l'oxygène gazeux.

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