Electrokinetically-enhanced emplacement of lactate in a chlorinated solvent contaminated clay site to promote bioremediation

Bioremediation through the injection of electron donors and bacterial cultures is effective at treating chlorinated solvent contamination. However, it has had limited application in low permeability zones where amendments cannot be delivered successfully. This field-scale study investigated electrokinetics to enhance delivery lactate a clay site contaminated with solvents. Groundwater soil samples were collected before, during for 1 year after 71-day field test analyzed wide suite chemical biological parameters. Lactate was successfully all monitoring locations. emplacement resulted stimulation populations, specifically within phylum Firmicutes, which contains fermenters strict anaerobes. likely led biodegradation, as trial significant decreases both aqueous phase concentrations. Contaminant also partially attributable dilution, given evidence some advective flux. research provides that electrokinetically-enhanced bioremediation potential treatment strategy strata.