These oxidants are able to cause the rapid and complete chemical destruction of many toxic organic chemicals; other organics are amenable to partial degradation as an aid to subsequent bioremediation.
Applications
Most of the hydrocarbonated contaminants can be remediated with chemical oxidation. In general the oxidants have been capable of achieving high treatment efficiencies (e.g., > 90 percent) for unsaturated aliphatic (e.g., trichloroethylene [TCE]) and aromatic compounds (e.g., benzene), with very fast reaction rates (90 percent destruction in minutes).
Technologies
A variety of application techniques can be used to bring oxidizing materials into contact with subsurface contaminants to remediate the contamination. In contrast to other remedial technologies, contaminant reduction can be carried out in a short time frame (e.g., weeks or months).
Field applications have clearly affirmed that matching the oxidant and in situ delivery system to the contaminants of concern and the site conditions is the key to successful implementation and achieving performance goals.
Careful evaluation of the contaminants of concern is needed before selecting a chemical oxidation technology.
Naturally occurring organic mass is a source of chemicals consumption to be include in the assessment of the process.
