Laboratory evaluation of the in situ chemical treatment approach for remediation of Cr(VI)-contaminated soils and groundwater

摘要

Bench-scale solution and soil tests were conducted in a proof of principle demonstration of the in situ chemical treatment approach to the remediation of metal and radionuclide contaminated soil and groundwater. These tests were directed specifically towards treatment of Cr(VI)contaminated solutions and unsaturated soil as an application of the approach. Testing was planned and conducted to provide general information relating treatment agent concentrations to effect. This approach served to define the amount of a specific agent required to achieve acceptable results and provided information regarding treatment rates and pH effects associated with the treatment reactions.