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Barriers

Control of plumes in soils with air sparging

(MEng dissertation by: Siobhan Catney, Will Armitage)

This project was looking at the feasbility of injecting compressed air into the ground to control the movement of water-borne plumes in soils.

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This is a plume of dye moving through sand. A high hydraulic head on the right is driving the plume under the barrier and upwards on the left of the barrier. In this case there is no air sparging.

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When air is sparged into the soil, the plume is observed to divert around the sparged region.

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