An Application of Surfactant Enhancement for Fast, Complete Recovery of Coal Tar from Sandy Soils presented by Konstantinos Kostareslos, Ph.D., Professor in the Department of Civil and Environmental Engineering at the University of Cyprus, Nicosia, Cyprus
Abstract: Recovery of spilled, immiscible liquids is possible using technologies first develop in the petroleum industry to mobilize residual oil. As is the case in enhanced oil recovery (EOR), complete recovery of the immiscible liquid is highly desired. Following a brief introduction of his newly-established Subsurface Research Laboratory, Kostarelos will present research results of the use of surfactants for recovery of coal tar from the near subsurface. Coal tar is a toxic liquid categorized as a non-aqueous phase liquid (NAPL) that poses unique difficulties for remediation: the liquid is highly viscous, adheres strongly to soil, and it is composed of over one hundred compounds each with varying properties. The technology relies on surfactant-enhanced solubilization, which can be used with existing approaches that are already common place at most NAPL-contaminated sites. The results of batch and flow experiments show that this method has the potential to completely recover coal tars from the subsurface and also has direct application in the oil industry as an EOR technique for heavy oils.
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- Price: Free
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