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Pollution monitoring

In-situ detection of contaminants in soils

(Amanda Treadaway 2001: photometric sensors for contaminant transport studies)

This research into the prediction of pollution migration in soils is using an in-situ fibre-optic photometric sensor to track the plume of pollutants.

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Fibre-optic photometric sensor

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Plumes of dye moving through sand. Insignificant interaction with soil.

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Fibre-optic pH sensor

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Plume of sodium hydroxide moving through sand. Significant interaction with soil.

Treadaway also used sensors to detect the transport of dye through a clay landfill liner in a centrifuge-mounted simulation (2001).

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