Blue Rock Environmental, Inc.

Blue Rock Environmental, Inc.

Bio-Sparging / Ozone Injection

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Bio-sparging is very similar to air-sparging except it is done at a much lower flow rate so that no vapors are driven off the water table. The goal of bio-sparging is to add just enough air to the saturated zone so that oxygen in the ground increases to levels needed to support ongoing aerobic biodegradation of contaminants. This can also be achieved using other compounds or chemicals aimed at increasing oxygen levels. Low levels of ozone can also be delivered to the saturated zone to chemically oxidize and breakdown contaminants. This technology has two effects: (1) direct oxidation of contaminants, and (2) a release of oxygen follows the dissociation of ozone, which stimulates aerobic biodegradation of contaminants.

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