2. Treatments used
In situ treatments are used when :
polluted sites are built or still in use;
the pollution is deep or extends over large areas, making excavation impossible and/or too costly.
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2.1.1 Bioventing
Bioventing is a technique used to accelerate the biodegradation of pollutants by supplying oxygen to the micro-organisms in place through controlled aeration. Supplying oxygen by means other than air injection, for example by introducing hydrogen peroxide...
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Treatments used