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Air-Sparging Remediation: A Study On Heterogeneity And Air Mobility Reduction, S. S. Di Julio, A. S. Drucker
Air-Sparging Remediation: A Study On Heterogeneity And Air Mobility Reduction, S. S. Di Julio, A. S. Drucker
Journal of Hazardous Substance Research
Contaminated groundwater is a widespread problem often requiring innovative technologies to remediate. In this study, physical models of the air-sparging process are developed, and contaminant recoveries are compared with predictions from a mathematical model. Initial tests used a very fine, porous media (a glass bead-packed column) to represent relatively homogeneous soil samples. Subsequent testing employed budded core samples taken from an actual site to represent more realistic, heterogeneous samples. 1,1,1 trichloroethane (TCA) was used as the dissolved contaminant to represent benzene, toluene, ethyl benzene, and xylene (BTEX), considered to be gasoline contamination in water. The results obtained, however, can be …