Surfactant Flushing Success
Cored soil after water flushing and after surfactant soil flushing.
Fountain [1993], field test:
PCE concentration 27 times aqueous solubility.
14 pore volumes of surfactant needed.
373 pore volumes with no surfactant.
- Laramie Tie Treating Site in Wyoming:
- 24,000 gallons of oil recovered.
- Oil contamination reduced by 93%.